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Finding the Fourth Proportional to 226,451.20, 339,590.40 and 68,627.20

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Solution

The fourth proportional to 226,451.20, 339,590.40 and 68,627.20 is: 102,914.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,451.20 : 339,590.40 = 68,627.20 : x
  2. Step 2: Convert to fraction form
    226,451.20/339,590.40 = 68,627.20/x
  3. Step 3: Cross multiply
    226,451.20x = 339,590.40 × 68,627.20
  4. Step 4: Simplify right side
    226,451.20x = 23,305,138,298.88
  5. Step 5: Solve for x
    x = 23,305,138,298.88/226,451.20
  6. Step 6: Final answer
    x = 102,914.62

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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.