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Finding the Fourth Proportional to 367,937.10, 550,593.45 and 255,087.90

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Solution

The fourth proportional to 367,937.10, 550,593.45 and 255,087.90 is: 381,722.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,937.10 : 550,593.45 = 255,087.90 : x
  2. Step 2: Convert to fraction form
    367,937.10/550,593.45 = 255,087.90/x
  3. Step 3: Cross multiply
    367,937.10x = 550,593.45 × 255,087.90
  4. Step 4: Simplify right side
    367,937.10x = 140,449,726,914.26
  5. Step 5: Solve for x
    x = 140,449,726,914.26/367,937.10
  6. Step 6: Final answer
    x = 381,722.11

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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.