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Finding the Fourth Proportional to 244,907.72, 338,132.10 and 149,469.78

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Solution

The fourth proportional to 244,907.72, 338,132.10 and 149,469.78 is: 206,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,907.72 : 338,132.10 = 149,469.78 : x
  2. Step 2: Convert to fraction form
    244,907.72/338,132.10 = 149,469.78/x
  3. Step 3: Cross multiply
    244,907.72x = 338,132.10 × 149,469.78
  4. Step 4: Simplify right side
    244,907.72x = 50,540,530,597.94
  5. Step 5: Solve for x
    x = 50,540,530,597.94/244,907.72
  6. Step 6: Final answer
    x = 206,365.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.