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Finding the Fourth Proportional to 297,910.20, 447,078.56 and 108,370.20

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Solution

The fourth proportional to 297,910.20, 447,078.56 and 108,370.20 is: 162,632.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,910.20 : 447,078.56 = 108,370.20 : x
  2. Step 2: Convert to fraction form
    297,910.20/447,078.56 = 108,370.20/x
  3. Step 3: Cross multiply
    297,910.20x = 447,078.56 × 108,370.20
  4. Step 4: Simplify right side
    297,910.20x = 48,449,992,962.91
  5. Step 5: Solve for x
    x = 48,449,992,962.91/297,910.20
  6. Step 6: Final answer
    x = 162,632.88

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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.