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Finding the Fourth Proportional to 482,896.22, 724,358.03 and 127,910.27

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Solution

The fourth proportional to 482,896.22, 724,358.03 and 127,910.27 is: 191,869.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,896.22 : 724,358.03 = 127,910.27 : x
  2. Step 2: Convert to fraction form
    482,896.22/724,358.03 = 127,910.27/x
  3. Step 3: Cross multiply
    482,896.22x = 724,358.03 × 127,910.27
  4. Step 4: Simplify right side
    482,896.22x = 92,652,832,365.31
  5. Step 5: Solve for x
    x = 92,652,832,365.31/482,896.22
  6. Step 6: Final answer
    x = 191,869.04

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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.