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Finding the Fourth Proportional to 335.74, 463.32 and 211.44

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Solution

The fourth proportional to 335.74, 463.32 and 211.44 is: 291.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.74 : 463.32 = 211.44 : x
  2. Step 2: Convert to fraction form
    335.74/463.32 = 211.44/x
  3. Step 3: Cross multiply
    335.74x = 463.32 × 211.44
  4. Step 4: Simplify right side
    335.74x = 97,964.38
  5. Step 5: Solve for x
    x = 97,964.38/335.74
  6. Step 6: Final answer
    x = 291.79

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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.