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Finding the Fourth Proportional to 322,489.60, 483,734.40 and 163,057.30

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Solution

The fourth proportional to 322,489.60, 483,734.40 and 163,057.30 is: 244,585.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,489.60 : 483,734.40 = 163,057.30 : x
  2. Step 2: Convert to fraction form
    322,489.60/483,734.40 = 163,057.30/x
  3. Step 3: Cross multiply
    322,489.60x = 483,734.40 × 163,057.30
  4. Step 4: Simplify right side
    322,489.60x = 78,876,425,181.12
  5. Step 5: Solve for x
    x = 78,876,425,181.12/322,489.60
  6. Step 6: Final answer
    x = 244,585.95

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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.