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Finding the Fourth Proportional to 334.24, 460.96 and 217.84

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Solution

The fourth proportional to 334.24, 460.96 and 217.84 is: 300.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.24 : 460.96 = 217.84 : x
  2. Step 2: Convert to fraction form
    334.24/460.96 = 217.84/x
  3. Step 3: Cross multiply
    334.24x = 460.96 × 217.84
  4. Step 4: Simplify right side
    334.24x = 100,415.53
  5. Step 5: Solve for x
    x = 100,415.53/334.24
  6. Step 6: Final answer
    x = 300.43

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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.