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Finding the Fourth Proportional to 483,776.88, 725,727.15 and 159,456.30

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Solution

The fourth proportional to 483,776.88, 725,727.15 and 159,456.30 is: 239,204.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,776.88 : 725,727.15 = 159,456.30 : x
  2. Step 2: Convert to fraction form
    483,776.88/725,727.15 = 159,456.30/x
  3. Step 3: Cross multiply
    483,776.88x = 725,727.15 × 159,456.30
  4. Step 4: Simplify right side
    483,776.88x = 115,721,766,148.55
  5. Step 5: Solve for x
    x = 115,721,766,148.55/483,776.88
  6. Step 6: Final answer
    x = 239,204.83

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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.