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Finding the Fourth Proportional to 381,265.52, 572,098.75 and 181,548.68

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Solution

The fourth proportional to 381,265.52, 572,098.75 and 181,548.68 is: 272,418.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,265.52 : 572,098.75 = 181,548.68 : x
  2. Step 2: Convert to fraction form
    381,265.52/572,098.75 = 181,548.68/x
  3. Step 3: Cross multiply
    381,265.52x = 572,098.75 × 181,548.68
  4. Step 4: Simplify right side
    381,265.52x = 103,863,769,577.79
  5. Step 5: Solve for x
    x = 103,863,769,577.79/381,265.52
  6. Step 6: Final answer
    x = 272,418.47

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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.