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Finding the Fourth Proportional to 609,723.36, 914,687.64 and 225,494.73

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Solution

The fourth proportional to 609,723.36, 914,687.64 and 225,494.73 is: 338,280.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,723.36 : 914,687.64 = 225,494.73 : x
  2. Step 2: Convert to fraction form
    609,723.36/914,687.64 = 225,494.73/x
  3. Step 3: Cross multiply
    609,723.36x = 914,687.64 × 225,494.73
  4. Step 4: Simplify right side
    609,723.36x = 206,257,242,416.14
  5. Step 5: Solve for x
    x = 206,257,242,416.14/609,723.36
  6. Step 6: Final answer
    x = 338,280.04

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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.