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Finding the Fourth Proportional to 463.97, 695.96 and 121.97

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Solution

The fourth proportional to 463.97, 695.96 and 121.97 is: 182.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.97 : 695.96 = 121.97 : x
  2. Step 2: Convert to fraction form
    463.97/695.96 = 121.97/x
  3. Step 3: Cross multiply
    463.97x = 695.96 × 121.97
  4. Step 4: Simplify right side
    463.97x = 84,886.24
  5. Step 5: Solve for x
    x = 84,886.24/463.97
  6. Step 6: Final answer
    x = 182.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.