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Finding the Fourth Proportional to 378,584.04, 567,753.13 and 125,796.65

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Solution

The fourth proportional to 378,584.04, 567,753.13 and 125,796.65 is: 188,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,584.04 : 567,753.13 = 125,796.65 : x
  2. Step 2: Convert to fraction form
    378,584.04/567,753.13 = 125,796.65/x
  3. Step 3: Cross multiply
    378,584.04x = 567,753.13 × 125,796.65
  4. Step 4: Simplify right side
    378,584.04x = 71,421,439,099.49
  5. Step 5: Solve for x
    x = 71,421,439,099.49/378,584.04
  6. Step 6: Final answer
    x = 188,654.12

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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.