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Finding the Fourth Proportional to 467,939.70, 701,909.55 and 255,363.30

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Solution

The fourth proportional to 467,939.70, 701,909.55 and 255,363.30 is: 383,044.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,939.70 : 701,909.55 = 255,363.30 : x
  2. Step 2: Convert to fraction form
    467,939.70/701,909.55 = 255,363.30/x
  3. Step 3: Cross multiply
    467,939.70x = 701,909.55 × 255,363.30
  4. Step 4: Simplify right side
    467,939.70x = 179,241,938,989.52
  5. Step 5: Solve for x
    x = 179,241,938,989.52/467,939.70
  6. Step 6: Final answer
    x = 383,044.95

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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.