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Finding the Fourth Proportional to 444,675, 667,081.62 and 149,256.12

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Solution

The fourth proportional to 444,675, 667,081.62 and 149,256.12 is: 223,907.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,675 : 667,081.62 = 149,256.12 : x
  2. Step 2: Convert to fraction form
    444,675/667,081.62 = 149,256.12/x
  3. Step 3: Cross multiply
    444,675x = 667,081.62 × 149,256.12
  4. Step 4: Simplify right side
    444,675x = 99,566,014,324.51
  5. Step 5: Solve for x
    x = 99,566,014,324.51/444,675
  6. Step 6: Final answer
    x = 223,907.38

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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.