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Finding the Fourth Proportional to 327,171.60, 490,498.20 and 179,427.60

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Solution

The fourth proportional to 327,171.60, 490,498.20 and 179,427.60 is: 268,999.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,171.60 : 490,498.20 = 179,427.60 : x
  2. Step 2: Convert to fraction form
    327,171.60/490,498.20 = 179,427.60/x
  3. Step 3: Cross multiply
    327,171.60x = 490,498.20 × 179,427.60
  4. Step 4: Simplify right side
    327,171.60x = 88,008,914,830.32
  5. Step 5: Solve for x
    x = 88,008,914,830.32/327,171.60
  6. Step 6: Final answer
    x = 268,999.25

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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.