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Finding the Fourth Proportional to 335.96, 463.56 and 211.64

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Solution

The fourth proportional to 335.96, 463.56 and 211.64 is: 292.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.96 : 463.56 = 211.64 : x
  2. Step 2: Convert to fraction form
    335.96/463.56 = 211.64/x
  3. Step 3: Cross multiply
    335.96x = 463.56 × 211.64
  4. Step 4: Simplify right side
    335.96x = 98,107.84
  5. Step 5: Solve for x
    x = 98,107.84/335.96
  6. Step 6: Final answer
    x = 292.02

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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.