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Finding the Fourth Proportional to 444,931.08, 667,391 and 107,974.52

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Solution

The fourth proportional to 444,931.08, 667,391 and 107,974.52 is: 161,960.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,931.08 : 667,391 = 107,974.52 : x
  2. Step 2: Convert to fraction form
    444,931.08/667,391 = 107,974.52/x
  3. Step 3: Cross multiply
    444,931.08x = 667,391 × 107,974.52
  4. Step 4: Simplify right side
    444,931.08x = 72,061,222,877.32
  5. Step 5: Solve for x
    x = 72,061,222,877.32/444,931.08
  6. Step 6: Final answer
    x = 161,960.42

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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.