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.

[217.063, -26.571, 5.267, 158.367, 157.239]

[ 0.424 -0.052  0.01   0.31   0.307]