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Finding the Fourth Proportional to 335.76, 463.44 and 211.44

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Solution

The fourth proportional to 335.76, 463.44 and 211.44 is: 291.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.76 : 463.44 = 211.44 : x
  2. Step 2: Convert to fraction form
    335.76/463.44 = 211.44/x
  3. Step 3: Cross multiply
    335.76x = 463.44 × 211.44
  4. Step 4: Simplify right side
    335.76x = 97,989.75
  5. Step 5: Solve for x
    x = 97,989.75/335.76
  6. Step 6: Final answer
    x = 291.84

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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.