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Finding the Fourth Proportional to 619,049.52, 928,781.98 and 239,982.62

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Solution

The fourth proportional to 619,049.52, 928,781.98 and 239,982.62 is: 360,054.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,049.52 : 928,781.98 = 239,982.62 : x
  2. Step 2: Convert to fraction form
    619,049.52/928,781.98 = 239,982.62/x
  3. Step 3: Cross multiply
    619,049.52x = 928,781.98 × 239,982.62
  4. Step 4: Simplify right side
    619,049.52x = 222,891,527,725.32
  5. Step 5: Solve for x
    x = 222,891,527,725.32/619,049.52
  6. Step 6: Final answer
    x = 360,054.44

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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.