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Finding the Fourth Proportional to 252.27, 348.24 and 212.37

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Solution

The fourth proportional to 252.27, 348.24 and 212.37 is: 293.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.27 : 348.24 = 212.37 : x
  2. Step 2: Convert to fraction form
    252.27/348.24 = 212.37/x
  3. Step 3: Cross multiply
    252.27x = 348.24 × 212.37
  4. Step 4: Simplify right side
    252.27x = 73,955.73
  5. Step 5: Solve for x
    x = 73,955.73/252.27
  6. Step 6: Final answer
    x = 293.16

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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.