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Finding the Fourth Proportional to 484,042.46, 726,098.37 and 129,054.62

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Solution

The fourth proportional to 484,042.46, 726,098.37 and 129,054.62 is: 193,591.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,042.46 : 726,098.37 = 129,054.62 : x
  2. Step 2: Convert to fraction form
    484,042.46/726,098.37 = 129,054.62/x
  3. Step 3: Cross multiply
    484,042.46x = 726,098.37 × 129,054.62
  4. Step 4: Simplify right side
    484,042.46x = 93,706,349,222.97
  5. Step 5: Solve for x
    x = 93,706,349,222.97/484,042.46
  6. Step 6: Final answer
    x = 193,591.18

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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.