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Finding the Fourth Proportional to 444,672, 667,077.12 and 149,253.12

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Solution

The fourth proportional to 444,672, 667,077.12 and 149,253.12 is: 223,902.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,672 : 667,077.12 = 149,253.12 : x
  2. Step 2: Convert to fraction form
    444,672/667,077.12 = 149,253.12/x
  3. Step 3: Cross multiply
    444,672x = 667,077.12 × 149,253.12
  4. Step 4: Simplify right side
    444,672x = 99,563,341,440.61
  5. Step 5: Solve for x
    x = 99,563,341,440.61/444,672
  6. Step 6: Final answer
    x = 223,902.88

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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.