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.

[208.455, 36.274, -57.269, 146.623, 53.426, 236.427, 219.745]
[ 0.247  0.043 -0.068  0.174  0.063  0.28   0.26 ]

[103.175, 172.942, 74.406]
[0.294 0.493 0.212]

[-76.328, 194.903, 178.671, -5.869, -77.544, 138.253, 111.642, 160.058, -32.84, -33.049]

[-0.137  0.349  0.32  -0.011 -0.139  0.248  0.2    0.287 -0.059 -0.059]