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Finding the Fourth Proportional to 534,717.73, 802,077.20 and 135,358.48

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Solution

The fourth proportional to 534,717.73, 802,077.20 and 135,358.48 is: 203,037.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,717.73 : 802,077.20 = 135,358.48 : x
  2. Step 2: Convert to fraction form
    534,717.73/802,077.20 = 135,358.48/x
  3. Step 3: Cross multiply
    534,717.73x = 802,077.20 × 135,358.48
  4. Step 4: Simplify right side
    534,717.73x = 108,567,950,634.66
  5. Step 5: Solve for x
    x = 108,567,950,634.66/534,717.73
  6. Step 6: Final answer
    x = 203,037.87

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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.