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Finding the Fourth Proportional to 327,751.86, 491,627.78 and 117,537.42

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Solution

The fourth proportional to 327,751.86, 491,627.78 and 117,537.42 is: 176,306.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,751.86 : 491,627.78 = 117,537.42 : x
  2. Step 2: Convert to fraction form
    327,751.86/491,627.78 = 117,537.42/x
  3. Step 3: Cross multiply
    327,751.86x = 491,627.78 × 117,537.42
  4. Step 4: Simplify right side
    327,751.86x = 57,784,660,861.53
  5. Step 5: Solve for x
    x = 57,784,660,861.53/327,751.86
  6. Step 6: Final answer
    x = 176,306.13

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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.