Misty's favorite number is 3 times smaller than Glory's favorite number. If Glory's favorite number is 450, what's the sum of their favorite numbers? Let's be accurate as possible.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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Misty's favorite number is 3 times smaller than Glory's, meaning her favorite number is 450 / 3 = 150. The sum of their favorite numbers is 150 + 450 = 600.
The answer: 600.