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Finding the Fourth Proportional to 327,372.59, 490,861.24 and 127,654.67

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Solution

The fourth proportional to 327,372.59, 490,861.24 and 127,654.67 is: 191,404.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,372.59 : 490,861.24 = 127,654.67 : x
  2. Step 2: Convert to fraction form
    327,372.59/490,861.24 = 127,654.67/x
  3. Step 3: Cross multiply
    327,372.59x = 490,861.24 × 127,654.67
  4. Step 4: Simplify right side
    327,372.59x = 62,660,729,607.99
  5. Step 5: Solve for x
    x = 62,660,729,607.99/327,372.59
  6. Step 6: Final answer
    x = 191,404.94

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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.