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Finding the Fourth Proportional to 327.60, 452.10 and 180.24

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Solution

The fourth proportional to 327.60, 452.10 and 180.24 is: 248.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.60 : 452.10 = 180.24 : x
  2. Step 2: Convert to fraction form
    327.60/452.10 = 180.24/x
  3. Step 3: Cross multiply
    327.60x = 452.10 × 180.24
  4. Step 4: Simplify right side
    327.60x = 81,486.50
  5. Step 5: Solve for x
    x = 81,486.50/327.60
  6. Step 6: Final answer
    x = 248.74

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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.