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Finding the Fourth Proportional to 392,149.35, 588,074.58 and 167,613.71

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Solution

The fourth proportional to 392,149.35, 588,074.58 and 167,613.71 is: 251,356.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,149.35 : 588,074.58 = 167,613.71 : x
  2. Step 2: Convert to fraction form
    392,149.35/588,074.58 = 167,613.71/x
  3. Step 3: Cross multiply
    392,149.35x = 588,074.58 × 167,613.71
  4. Step 4: Simplify right side
    392,149.35x = 98,569,359,170.12
  5. Step 5: Solve for x
    x = 98,569,359,170.12/392,149.35
  6. Step 6: Final answer
    x = 251,356.68

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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.