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Finding the Fourth Proportional to 664,129.67, 996,593.63 and 237,631.86

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Solution

The fourth proportional to 664,129.67, 996,593.63 and 237,631.86 is: 356,590.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,129.67 : 996,593.63 = 237,631.86 : x
  2. Step 2: Convert to fraction form
    664,129.67/996,593.63 = 237,631.86/x
  3. Step 3: Cross multiply
    664,129.67x = 996,593.63 × 237,631.86
  4. Step 4: Simplify right side
    664,129.67x = 236,822,396,772.89
  5. Step 5: Solve for x
    x = 236,822,396,772.89/664,129.67
  6. Step 6: Final answer
    x = 356,590.60

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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.