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Finding the Fourth Proportional to 392,200.91, 588,550.20 and 167,563.04

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Solution

The fourth proportional to 392,200.91, 588,550.20 and 167,563.04 is: 251,450.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,200.91 : 588,550.20 = 167,563.04 : x
  2. Step 2: Convert to fraction form
    392,200.91/588,550.20 = 167,563.04/x
  3. Step 3: Cross multiply
    392,200.91x = 588,550.20 × 167,563.04
  4. Step 4: Simplify right side
    392,200.91x = 98,619,257,761.86
  5. Step 5: Solve for x
    x = 98,619,257,761.86/392,200.91
  6. Step 6: Final answer
    x = 251,450.87

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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.