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Finding the Fourth Proportional to 252.22, 378.03 and 182.70

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Solution

The fourth proportional to 252.22, 378.03 and 182.70 is: 273.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.22 : 378.03 = 182.70 : x
  2. Step 2: Convert to fraction form
    252.22/378.03 = 182.70/x
  3. Step 3: Cross multiply
    252.22x = 378.03 × 182.70
  4. Step 4: Simplify right side
    252.22x = 69,066.08
  5. Step 5: Solve for x
    x = 69,066.08/252.22
  6. Step 6: Final answer
    x = 273.83

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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.