Finding the Fourth Proportional to 415,500,073.60, 573,287,085.12 and 268,645,648
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Solution
The fourth proportional to 415,500,073.60, 573,287,085.12 and 268,645,648 is: 370,664,387.95
Step by Step Solution
- Step 1: Write the proportion equation
415,500,073.60 : 573,287,085.12 = 268,645,648 : x - Step 2: Convert to fraction form
415,500,073.60/573,287,085.12 = 268,645,648/x - Step 3: Cross multiply
415,500,073.60x = 573,287,085.12 × 268,645,648 - Step 4: Simplify right side
415,500,073.60x = 154,011,080,472,093,568 - Step 5: Solve for x
x = 154,011,080,472,093,568/415,500,073.60 - Step 6: Final answer
x = 370,664,387.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.