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Finding the Fourth Proportional to 392,727.99, 588,593.23 and 203,152.76

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Solution

The fourth proportional to 392,727.99, 588,593.23 and 203,152.76 is: 304,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,727.99 : 588,593.23 = 203,152.76 : x
  2. Step 2: Convert to fraction form
    392,727.99/588,593.23 = 203,152.76/x
  3. Step 3: Cross multiply
    392,727.99x = 588,593.23 × 203,152.76
  4. Step 4: Simplify right side
    392,727.99x = 119,574,335,740.97
  5. Step 5: Solve for x
    x = 119,574,335,740.97/392,727.99
  6. Step 6: Final answer
    x = 304,471.13

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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.