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Finding the Fourth Proportional to 392,209.17, 588,562.56 and 167,571.30

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Solution

The fourth proportional to 392,209.17, 588,562.56 and 167,571.30 is: 251,463.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,209.17 : 588,562.56 = 167,571.30 : x
  2. Step 2: Convert to fraction form
    392,209.17/588,562.56 = 167,571.30/x
  3. Step 3: Cross multiply
    392,209.17x = 588,562.56 × 167,571.30
  4. Step 4: Simplify right side
    392,209.17x = 98,626,193,310.53
  5. Step 5: Solve for x
    x = 98,626,193,310.53/392,209.17
  6. Step 6: Final answer
    x = 251,463.25

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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.