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Finding the Fourth Proportional to 322,170.20, 444,580.48 and 193,179.88

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Solution

The fourth proportional to 322,170.20, 444,580.48 and 193,179.88 is: 266,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,170.20 : 444,580.48 = 193,179.88 : x
  2. Step 2: Convert to fraction form
    322,170.20/444,580.48 = 193,179.88/x
  3. Step 3: Cross multiply
    322,170.20x = 444,580.48 × 193,179.88
  4. Step 4: Simplify right side
    322,170.20x = 85,884,003,776.74
  5. Step 5: Solve for x
    x = 85,884,003,776.74/322,170.20
  6. Step 6: Final answer
    x = 266,579.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.