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Finding the Fourth Proportional to 580,545.60, 868,850.10 and 509,686.80

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Solution

The fourth proportional to 580,545.60, 868,850.10 and 509,686.80 is: 762,802.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,545.60 : 868,850.10 = 509,686.80 : x
  2. Step 2: Convert to fraction form
    580,545.60/868,850.10 = 509,686.80/x
  3. Step 3: Cross multiply
    580,545.60x = 868,850.10 × 509,686.80
  4. Step 4: Simplify right side
    580,545.60x = 442,841,427,148.68
  5. Step 5: Solve for x
    x = 442,841,427,148.68/580,545.60
  6. Step 6: Final answer
    x = 762,802.14

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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.