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Finding the Fourth Proportional to 383,951.49, 576,011.22 and 117,732.75

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Solution

The fourth proportional to 383,951.49, 576,011.22 and 117,732.75 is: 176,624.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,951.49 : 576,011.22 = 117,732.75 : x
  2. Step 2: Convert to fraction form
    383,951.49/576,011.22 = 117,732.75/x
  3. Step 3: Cross multiply
    383,951.49x = 576,011.22 × 117,732.75
  4. Step 4: Simplify right side
    383,951.49x = 67,815,384,961.46
  5. Step 5: Solve for x
    x = 67,815,384,961.46/383,951.49
  6. Step 6: Final answer
    x = 176,624.88

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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.