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Finding the Fourth Proportional to 442.44, 663.74 and 182.30

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Solution

The fourth proportional to 442.44, 663.74 and 182.30 is: 273.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    442.44 : 663.74 = 182.30 : x
  2. Step 2: Convert to fraction form
    442.44/663.74 = 182.30/x
  3. Step 3: Cross multiply
    442.44x = 663.74 × 182.30
  4. Step 4: Simplify right side
    442.44x = 120,999.57
  5. Step 5: Solve for x
    x = 120,999.57/442.44
  6. Step 6: Final answer
    x = 273.48

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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.