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Finding the Fourth Proportional to 335.64, 462.00 and 252.72

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Solution

The fourth proportional to 335.64, 462.00 and 252.72 is: 347.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.64 : 462.00 = 252.72 : x
  2. Step 2: Convert to fraction form
    335.64/462.00 = 252.72/x
  3. Step 3: Cross multiply
    335.64x = 462.00 × 252.72
  4. Step 4: Simplify right side
    335.64x = 116,757.59
  5. Step 5: Solve for x
    x = 116,757.59/335.64
  6. Step 6: Final answer
    x = 347.86

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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.