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Finding the Fourth Proportional to 367,546.44, 550,986.78 and 255,279.66

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Solution

The fourth proportional to 367,546.44, 550,986.78 and 255,279.66 is: 382,688.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,546.44 : 550,986.78 = 255,279.66 : x
  2. Step 2: Convert to fraction form
    367,546.44/550,986.78 = 255,279.66/x
  3. Step 3: Cross multiply
    367,546.44x = 550,986.78 × 255,279.66
  4. Step 4: Simplify right side
    367,546.44x = 140,655,717,862.90
  5. Step 5: Solve for x
    x = 140,655,717,862.90/367,546.44
  6. Step 6: Final answer
    x = 382,688.29

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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.