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Finding the Fourth Proportional to 335.95, 463.67 and 196.15

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Solution

The fourth proportional to 335.95, 463.67 and 196.15 is: 270.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.95 : 463.67 = 196.15 : x
  2. Step 2: Convert to fraction form
    335.95/463.67 = 196.15/x
  3. Step 3: Cross multiply
    335.95x = 463.67 × 196.15
  4. Step 4: Simplify right side
    335.95x = 90,949.20
  5. Step 5: Solve for x
    x = 90,949.20/335.95
  6. Step 6: Final answer
    x = 270.72

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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.