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Finding the Fourth Proportional to 444,781.96, 667,178.58 and 145,260.16

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Solution

The fourth proportional to 444,781.96, 667,178.58 and 145,260.16 is: 217,892.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,781.96 : 667,178.58 = 145,260.16 : x
  2. Step 2: Convert to fraction form
    444,781.96/667,178.58 = 145,260.16/x
  3. Step 3: Cross multiply
    444,781.96x = 667,178.58 × 145,260.16
  4. Step 4: Simplify right side
    444,781.96x = 96,914,467,279.37
  5. Step 5: Solve for x
    x = 96,914,467,279.37/444,781.96
  6. Step 6: Final answer
    x = 217,892.08

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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.