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Finding the Fourth Proportional to 444,753.57, 667,236.60 and 145,234.74

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Solution

The fourth proportional to 444,753.57, 667,236.60 and 145,234.74 is: 217,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,753.57 : 667,236.60 = 145,234.74 : x
  2. Step 2: Convert to fraction form
    444,753.57/667,236.60 = 145,234.74/x
  3. Step 3: Cross multiply
    444,753.57x = 667,236.60 × 145,234.74
  4. Step 4: Simplify right side
    444,753.57x = 96,905,934,119.48
  5. Step 5: Solve for x
    x = 96,905,934,119.48/444,753.57
  6. Step 6: Final answer
    x = 217,886.80

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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.