Given the task definition and input, reply with output. In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.

[249.738, 82.857, 132.558, -16.649, 78.088]

[ 0.474  0.157  0.252 -0.032  0.148]