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Finding the Fourth Proportional to 653,737.56, 902,136.96 and 363,347.70

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Solution

The fourth proportional to 653,737.56, 902,136.96 and 363,347.70 is: 501,408.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,737.56 : 902,136.96 = 363,347.70 : x
  2. Step 2: Convert to fraction form
    653,737.56/902,136.96 = 363,347.70/x
  3. Step 3: Cross multiply
    653,737.56x = 902,136.96 × 363,347.70
  4. Step 4: Simplify right side
    653,737.56x = 327,789,389,500.99
  5. Step 5: Solve for x
    x = 327,789,389,500.99/653,737.56
  6. Step 6: Final answer
    x = 501,408.22

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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.