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Finding the Fourth Proportional to 444,787, 667,249.62 and 149,368.12

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Solution

The fourth proportional to 444,787, 667,249.62 and 149,368.12 is: 224,075.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,787 : 667,249.62 = 149,368.12 : x
  2. Step 2: Convert to fraction form
    444,787/667,249.62 = 149,368.12/x
  3. Step 3: Cross multiply
    444,787x = 667,249.62 × 149,368.12
  4. Step 4: Simplify right side
    444,787x = 99,665,821,310.11
  5. Step 5: Solve for x
    x = 99,665,821,310.11/444,787
  6. Step 6: Final answer
    x = 224,075.39

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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.