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Finding the Fourth Proportional to 366,965.20, 550,793.40 and 226,997.20

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Solution

The fourth proportional to 366,965.20, 550,793.40 and 226,997.20 is: 340,709.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,965.20 : 550,793.40 = 226,997.20 : x
  2. Step 2: Convert to fraction form
    366,965.20/550,793.40 = 226,997.20/x
  3. Step 3: Cross multiply
    366,965.20x = 550,793.40 × 226,997.20
  4. Step 4: Simplify right side
    366,965.20x = 125,028,559,578.48
  5. Step 5: Solve for x
    x = 125,028,559,578.48/366,965.20
  6. Step 6: Final answer
    x = 340,709.58

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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.