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Finding the Fourth Proportional to 378,523.53, 567,620.46 and 108,592.11

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Solution

The fourth proportional to 378,523.53, 567,620.46 and 108,592.11 is: 162,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,523.53 : 567,620.46 = 108,592.11 : x
  2. Step 2: Convert to fraction form
    378,523.53/567,620.46 = 108,592.11/x
  3. Step 3: Cross multiply
    378,523.53x = 567,620.46 × 108,592.11
  4. Step 4: Simplify right side
    378,523.53x = 61,639,103,430.57
  5. Step 5: Solve for x
    x = 61,639,103,430.57/378,523.53
  6. Step 6: Final answer
    x = 162,840.88

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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.