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Finding the Fourth Proportional to 322,451.10, 483,676.65 and 247,947.30

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Solution

The fourth proportional to 322,451.10, 483,676.65 and 247,947.30 is: 371,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,451.10 : 483,676.65 = 247,947.30 : x
  2. Step 2: Convert to fraction form
    322,451.10/483,676.65 = 247,947.30/x
  3. Step 3: Cross multiply
    322,451.10x = 483,676.65 × 247,947.30
  4. Step 4: Simplify right side
    322,451.10x = 119,926,319,440.55
  5. Step 5: Solve for x
    x = 119,926,319,440.55/322,451.10
  6. Step 6: Final answer
    x = 371,920.95

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Similar ratio
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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.