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Finding the Fourth Proportional to 334.63, 462.65 and 252.16

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Solution

The fourth proportional to 334.63, 462.65 and 252.16 is: 348.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.63 : 462.65 = 252.16 : x
  2. Step 2: Convert to fraction form
    334.63/462.65 = 252.16/x
  3. Step 3: Cross multiply
    334.63x = 462.65 × 252.16
  4. Step 4: Simplify right side
    334.63x = 116,660.56
  5. Step 5: Solve for x
    x = 116,660.56/334.63
  6. Step 6: Final answer
    x = 348.63

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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.