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Finding the Fourth Proportional to 603,691.56, 833,098.31 and 331,781.85

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Solution

The fourth proportional to 603,691.56, 833,098.31 and 331,781.85 is: 457,861.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,691.56 : 833,098.31 = 331,781.85 : x
  2. Step 2: Convert to fraction form
    603,691.56/833,098.31 = 331,781.85/x
  3. Step 3: Cross multiply
    603,691.56x = 833,098.31 × 331,781.85
  4. Step 4: Simplify right side
    603,691.56x = 276,406,892,699.27
  5. Step 5: Solve for x
    x = 276,406,892,699.27/603,691.56
  6. Step 6: Final answer
    x = 457,861.12

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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.