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Finding the Fourth Proportional to 482,761.73, 724,193.15 and 179,238.93

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Solution

The fourth proportional to 482,761.73, 724,193.15 and 179,238.93 is: 268,877.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,761.73 : 724,193.15 = 179,238.93 : x
  2. Step 2: Convert to fraction form
    482,761.73/724,193.15 = 179,238.93/x
  3. Step 3: Cross multiply
    482,761.73x = 724,193.15 × 179,238.93
  4. Step 4: Simplify right side
    482,761.73x = 129,803,604,423.14
  5. Step 5: Solve for x
    x = 129,803,604,423.14/482,761.73
  6. Step 6: Final answer
    x = 268,877.17

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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.