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Finding the Fourth Proportional to 539,076.96, 807,959.52 and 381,350.88

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Solution

The fourth proportional to 539,076.96, 807,959.52 and 381,350.88 is: 571,562.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,076.96 : 807,959.52 = 381,350.88 : x
  2. Step 2: Convert to fraction form
    539,076.96/807,959.52 = 381,350.88/x
  3. Step 3: Cross multiply
    539,076.96x = 807,959.52 × 381,350.88
  4. Step 4: Simplify right side
    539,076.96x = 308,116,073,956.38
  5. Step 5: Solve for x
    x = 308,116,073,956.38/539,076.96
  6. Step 6: Final answer
    x = 571,562.31

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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.