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Finding the Fourth Proportional to 580,949.80, 869,091.90 and 502,930.60

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Solution

The fourth proportional to 580,949.80, 869,091.90 and 502,930.60 is: 752,376.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,949.80 : 869,091.90 = 502,930.60 : x
  2. Step 2: Convert to fraction form
    580,949.80/869,091.90 = 502,930.60/x
  3. Step 3: Cross multiply
    580,949.80x = 869,091.90 × 502,930.60
  4. Step 4: Simplify right side
    580,949.80x = 437,092,910,722.14
  5. Step 5: Solve for x
    x = 437,092,910,722.14/580,949.80
  6. Step 6: Final answer
    x = 752,376.39

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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.