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Finding the Fourth Proportional to 577,374,414.80, 866,061,622.20 and 560,368,302.80

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Solution

The fourth proportional to 577,374,414.80, 866,061,622.20 and 560,368,302.80 is: 840,552,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,374,414.80 : 866,061,622.20 = 560,368,302.80 : x
  2. Step 2: Convert to fraction form
    577,374,414.80/866,061,622.20 = 560,368,302.80/x
  3. Step 3: Cross multiply
    577,374,414.80x = 866,061,622.20 × 560,368,302.80
  4. Step 4: Simplify right side
    577,374,414.80x = 485,313,481,352,428,800
  5. Step 5: Solve for x
    x = 485,313,481,352,428,800/577,374,414.80
  6. Step 6: Final answer
    x = 840,552,454.20

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Similar ratio
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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.