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Finding the Fourth Proportional to 296,601.68, 444,993.24 and 86,241.44

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Solution

The fourth proportional to 296,601.68, 444,993.24 and 86,241.44 is: 129,388.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,601.68 : 444,993.24 = 86,241.44 : x
  2. Step 2: Convert to fraction form
    296,601.68/444,993.24 = 86,241.44/x
  3. Step 3: Cross multiply
    296,601.68x = 444,993.24 × 86,241.44
  4. Step 4: Simplify right side
    296,601.68x = 38,376,857,807.87
  5. Step 5: Solve for x
    x = 38,376,857,807.87/296,601.68
  6. Step 6: Final answer
    x = 129,388.54

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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.