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.

[15.144, 83.779, 198.643, 69.195, 180.763, 74.484, -82.47, 190.111, 247.439, 210.281]
[ 0.013  0.071  0.167  0.058  0.152  0.063 -0.069  0.16   0.208  0.177]