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Finding the Fourth Proportional to 444,778, 667,236.12 and 149,359.12

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Solution

The fourth proportional to 444,778, 667,236.12 and 149,359.12 is: 224,061.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,778 : 667,236.12 = 149,359.12 : x
  2. Step 2: Convert to fraction form
    444,778/667,236.12 = 149,359.12/x
  3. Step 3: Cross multiply
    444,778x = 667,236.12 × 149,359.12
  4. Step 4: Simplify right side
    444,778x = 99,657,799,715.41
  5. Step 5: Solve for x
    x = 99,657,799,715.41/444,778
  6. Step 6: Final answer
    x = 224,061.89

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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.