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Finding the Fourth Proportional to 467,121.38, 644,627.51 and 252,261.44

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Solution

The fourth proportional to 467,121.38, 644,627.51 and 252,261.44 is: 348,120.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,121.38 : 644,627.51 = 252,261.44 : x
  2. Step 2: Convert to fraction form
    467,121.38/644,627.51 = 252,261.44/x
  3. Step 3: Cross multiply
    467,121.38x = 644,627.51 × 252,261.44
  4. Step 4: Simplify right side
    467,121.38x = 162,614,659,451.77
  5. Step 5: Solve for x
    x = 162,614,659,451.77/467,121.38
  6. Step 6: Final answer
    x = 348,120.78

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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.