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Finding the Fourth Proportional to 392,344.02, 588,521.49 and 111,861.27

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Solution

The fourth proportional to 392,344.02, 588,521.49 and 111,861.27 is: 167,793.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,344.02 : 588,521.49 = 111,861.27 : x
  2. Step 2: Convert to fraction form
    392,344.02/588,521.49 = 111,861.27/x
  3. Step 3: Cross multiply
    392,344.02x = 588,521.49 × 111,861.27
  4. Step 4: Simplify right side
    392,344.02x = 65,832,758,351.08
  5. Step 5: Solve for x
    x = 65,832,758,351.08/392,344.02
  6. Step 6: Final answer
    x = 167,793.46

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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.