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Finding the Fourth Proportional to 378,234.40, 567,481.20 and 168,023.20

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Solution

The fourth proportional to 378,234.40, 567,481.20 and 168,023.20 is: 252,092.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,234.40 : 567,481.20 = 168,023.20 : x
  2. Step 2: Convert to fraction form
    378,234.40/567,481.20 = 168,023.20/x
  3. Step 3: Cross multiply
    378,234.40x = 567,481.20 × 168,023.20
  4. Step 4: Simplify right side
    378,234.40x = 95,350,007,163.84
  5. Step 5: Solve for x
    x = 95,350,007,163.84/378,234.40
  6. Step 6: Final answer
    x = 252,092.37

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1.5x scale

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.