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Finding the Fourth Proportional to 367,062.20, 550,593.30 and 255,087.80

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Solution

The fourth proportional to 367,062.20, 550,593.30 and 255,087.80 is: 382,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,062.20 : 550,593.30 = 255,087.80 : x
  2. Step 2: Convert to fraction form
    367,062.20/550,593.30 = 255,087.80/x
  3. Step 3: Cross multiply
    367,062.20x = 550,593.30 × 255,087.80
  4. Step 4: Simplify right side
    367,062.20x = 140,449,633,591.74
  5. Step 5: Solve for x
    x = 140,449,633,591.74/367,062.20
  6. Step 6: Final answer
    x = 382,631.70

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1.5x scale

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.