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Finding the Fourth Proportional to 363,033.72, 544,553.28 and 126,375.84

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Solution

The fourth proportional to 363,033.72, 544,553.28 and 126,375.84 is: 189,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,033.72 : 544,553.28 = 126,375.84 : x
  2. Step 2: Convert to fraction form
    363,033.72/544,553.28 = 126,375.84/x
  3. Step 3: Cross multiply
    363,033.72x = 544,553.28 × 126,375.84
  4. Step 4: Simplify right side
    363,033.72x = 68,818,378,184.76
  5. Step 5: Solve for x
    x = 68,818,378,184.76/363,033.72
  6. Step 6: Final answer
    x = 189,564.70

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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.