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Finding the Fourth Proportional to 392,709.33, 588,565.47 and 203,134.29

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Solution

The fourth proportional to 392,709.33, 588,565.47 and 203,134.29 is: 304,443.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,709.33 : 588,565.47 = 203,134.29 : x
  2. Step 2: Convert to fraction form
    392,709.33/588,565.47 = 203,134.29/x
  3. Step 3: Cross multiply
    392,709.33x = 588,565.47 × 203,134.29
  4. Step 4: Simplify right side
    392,709.33x = 119,557,828,866.97
  5. Step 5: Solve for x
    x = 119,557,828,866.97/392,709.33
  6. Step 6: Final answer
    x = 304,443.57

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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.