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Finding the Fourth Proportional to 444,626.96, 667,046.54 and 145,108.09

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Solution

The fourth proportional to 444,626.96, 667,046.54 and 145,108.09 is: 217,696.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,626.96 : 667,046.54 = 145,108.09 : x
  2. Step 2: Convert to fraction form
    444,626.96/667,046.54 = 145,108.09/x
  3. Step 3: Cross multiply
    444,626.96x = 667,046.54 × 145,108.09
  4. Step 4: Simplify right side
    444,626.96x = 96,793,850,557.09
  5. Step 5: Solve for x
    x = 96,793,850,557.09/444,626.96
  6. Step 6: Final answer
    x = 217,696.77

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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.