Finding the Fourth Proportional to 416,811.08, 625,269.61 and 132,400.17
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Solution
The fourth proportional to 416,811.08, 625,269.61 and 132,400.17 is: 198,617.09
Step by Step Solution
- Step 1: Write the proportion equation
416,811.08 : 625,269.61 = 132,400.17 : x - Step 2: Convert to fraction form
416,811.08/625,269.61 = 132,400.17/x - Step 3: Cross multiply
416,811.08x = 625,269.61 × 132,400.17 - Step 4: Simplify right side
416,811.08x = 82,785,802,825.33 - Step 5: Solve for x
x = 82,785,802,825.33/416,811.08 - Step 6: Final answer
x = 198,617.09
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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.