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.

Example Input: [145.983, 91.398, 65.88]
Example Output: [0.481 0.301 0.217]

Example Input: [136.863, 10.576, 7.594, 220.753, -14.398, -2.184, 189.478, 52.875, 230.46]
Example Output: [ 0.164  0.013  0.009  0.265 -0.017 -0.003  0.228  0.064  0.277]

Example Input: [-68.148, 34.193, 6.195, 30.525, -20.859]
Example Output:
[ 3.766 -1.89  -0.342 -1.687  1.153]