Finding the Fourth Proportional to 461,785.60, 692,332.80 and 251,660.80
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Solution
The fourth proportional to 461,785.60, 692,332.80 and 251,660.80 is: 377,302.86
Step by Step Solution
- Step 1: Write the proportion equation
461,785.60 : 692,332.80 = 251,660.80 : x - Step 2: Convert to fraction form
461,785.60/692,332.80 = 251,660.80/x - Step 3: Cross multiply
461,785.60x = 692,332.80 × 251,660.80 - Step 4: Simplify right side
461,785.60x = 174,233,026,314.24 - Step 5: Solve for x
x = 174,233,026,314.24/461,785.60 - Step 6: Final answer
x = 377,302.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.