Finding the Fourth Proportional to 416,609.80, 624,785.10 and 150,335.62
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Solution
The fourth proportional to 416,609.80, 624,785.10 and 150,335.62 is: 225,456.66
Step by Step Solution
- Step 1: Write the proportion equation
416,609.80 : 624,785.10 = 150,335.62 : x - Step 2: Convert to fraction form
416,609.80/624,785.10 = 150,335.62/x - Step 3: Cross multiply
416,609.80x = 624,785.10 × 150,335.62 - Step 4: Simplify right side
416,609.80x = 93,927,455,375.26 - Step 5: Solve for x
x = 93,927,455,375.26/416,609.80 - Step 6: Final answer
x = 225,456.66
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1.5x scale
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.