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Finding the Fourth Proportional to 373,234.92, 515,053.92 and 203,469

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Solution

The fourth proportional to 373,234.92, 515,053.92 and 203,469 is: 280,781.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,234.92 : 515,053.92 = 203,469 : x
  2. Step 2: Convert to fraction form
    373,234.92/515,053.92 = 203,469/x
  3. Step 3: Cross multiply
    373,234.92x = 515,053.92 × 203,469
  4. Step 4: Simplify right side
    373,234.92x = 104,797,506,048.48
  5. Step 5: Solve for x
    x = 104,797,506,048.48/373,234.92
  6. Step 6: Final answer
    x = 280,781.62

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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.