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Finding the Fourth Proportional to 273.44, 409.20 and 182

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Solution

The fourth proportional to 273.44, 409.20 and 182 is: 272.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.44 : 409.20 = 182 : x
  2. Step 2: Convert to fraction form
    273.44/409.20 = 182/x
  3. Step 3: Cross multiply
    273.44x = 409.20 × 182
  4. Step 4: Simplify right side
    273.44x = 74,474.40
  5. Step 5: Solve for x
    x = 74,474.40/273.44
  6. Step 6: Final answer
    x = 272.36

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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.