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Finding the Fourth Proportional to 378,496.53, 567,579.96 and 108,565.11

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Solution

The fourth proportional to 378,496.53, 567,579.96 and 108,565.11 is: 162,800.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,496.53 : 567,579.96 = 108,565.11 : x
  2. Step 2: Convert to fraction form
    378,496.53/567,579.96 = 108,565.11/x
  3. Step 3: Cross multiply
    378,496.53x = 567,579.96 × 108,565.11
  4. Step 4: Simplify right side
    378,496.53x = 61,619,380,791.20
  5. Step 5: Solve for x
    x = 61,619,380,791.20/378,496.53
  6. Step 6: Final answer
    x = 162,800.38

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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.