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Finding the Fourth Proportional to 335.77, 463.31 and 193.97

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Solution

The fourth proportional to 335.77, 463.31 and 193.97 is: 267.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.77 : 463.31 = 193.97 : x
  2. Step 2: Convert to fraction form
    335.77/463.31 = 193.97/x
  3. Step 3: Cross multiply
    335.77x = 463.31 × 193.97
  4. Step 4: Simplify right side
    335.77x = 89,868.24
  5. Step 5: Solve for x
    x = 89,868.24/335.77
  6. Step 6: Final answer
    x = 267.65

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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.