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Finding the Fourth Proportional to 293,919.20, 440,101.20 and 231,192.80

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Solution

The fourth proportional to 293,919.20, 440,101.20 and 231,192.80 is: 346,177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,919.20 : 440,101.20 = 231,192.80 : x
  2. Step 2: Convert to fraction form
    293,919.20/440,101.20 = 231,192.80/x
  3. Step 3: Cross multiply
    293,919.20x = 440,101.20 × 231,192.80
  4. Step 4: Simplify right side
    293,919.20x = 101,748,228,711.36
  5. Step 5: Solve for x
    x = 101,748,228,711.36/293,919.20
  6. Step 6: Final answer
    x = 346,177.55

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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.