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Finding the Fourth Proportional to 327.44, 492.24 and 273.44

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Solution

The fourth proportional to 327.44, 492.24 and 273.44 is: 411.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.44 : 492.24 = 273.44 : x
  2. Step 2: Convert to fraction form
    327.44/492.24 = 273.44/x
  3. Step 3: Cross multiply
    327.44x = 492.24 × 273.44
  4. Step 4: Simplify right side
    327.44x = 134,598.11
  5. Step 5: Solve for x
    x = 134,598.11/327.44
  6. Step 6: Final answer
    x = 411.06

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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.