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Finding the Fourth Proportional to 539,197.96, 808,141.02 and 381,471.88

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Solution

The fourth proportional to 539,197.96, 808,141.02 and 381,471.88 is: 571,743.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,197.96 : 808,141.02 = 381,471.88 : x
  2. Step 2: Convert to fraction form
    539,197.96/808,141.02 = 381,471.88/x
  3. Step 3: Cross multiply
    539,197.96x = 808,141.02 × 381,471.88
  4. Step 4: Simplify right side
    539,197.96x = 308,283,074,204.52
  5. Step 5: Solve for x
    x = 308,283,074,204.52/539,197.96
  6. Step 6: Final answer
    x = 571,743.77

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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.