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Finding the Fourth Proportional to 367,083.20, 550,624.80 and 255,108.80

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Solution

The fourth proportional to 367,083.20, 550,624.80 and 255,108.80 is: 382,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,083.20 : 550,624.80 = 255,108.80 : x
  2. Step 2: Convert to fraction form
    367,083.20/550,624.80 = 255,108.80/x
  3. Step 3: Cross multiply
    367,083.20x = 550,624.80 × 255,108.80
  4. Step 4: Simplify right side
    367,083.20x = 140,469,231,978.24
  5. Step 5: Solve for x
    x = 140,469,231,978.24/367,083.20
  6. Step 6: Final answer
    x = 382,663.20

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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.