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Finding the Fourth Proportional to 439,951.02, 607,132.44 and 238,747.02

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Solution

The fourth proportional to 439,951.02, 607,132.44 and 238,747.02 is: 329,470.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,951.02 : 607,132.44 = 238,747.02 : x
  2. Step 2: Convert to fraction form
    439,951.02/607,132.44 = 238,747.02/x
  3. Step 3: Cross multiply
    439,951.02x = 607,132.44 × 238,747.02
  4. Step 4: Simplify right side
    439,951.02x = 144,951,060,795.33
  5. Step 5: Solve for x
    x = 144,951,060,795.33/439,951.02
  6. Step 6: Final answer
    x = 329,470.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.