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Finding the Fourth Proportional to 252.15, 376.43 and 232.68

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Solution

The fourth proportional to 252.15, 376.43 and 232.68 is: 347.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.15 : 376.43 = 232.68 : x
  2. Step 2: Convert to fraction form
    252.15/376.43 = 232.68/x
  3. Step 3: Cross multiply
    252.15x = 376.43 × 232.68
  4. Step 4: Simplify right side
    252.15x = 87,586.57
  5. Step 5: Solve for x
    x = 87,586.57/252.15
  6. Step 6: Final answer
    x = 347.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.