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Finding the Fourth Proportional to 322,234.20, 483,351.30 and 180,516.60

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Solution

The fourth proportional to 322,234.20, 483,351.30 and 180,516.60 is: 270,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,234.20 : 483,351.30 = 180,516.60 : x
  2. Step 2: Convert to fraction form
    322,234.20/483,351.30 = 180,516.60/x
  3. Step 3: Cross multiply
    322,234.20x = 483,351.30 × 180,516.60
  4. Step 4: Simplify right side
    322,234.20x = 87,252,933,281.58
  5. Step 5: Solve for x
    x = 87,252,933,281.58/322,234.20
  6. Step 6: Final answer
    x = 270,774.90

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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.