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Finding the Fourth Proportional to 334.76, 462.22 and 269.56

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Solution

The fourth proportional to 334.76, 462.22 and 269.56 is: 372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.76 : 462.22 = 269.56 : x
  2. Step 2: Convert to fraction form
    334.76/462.22 = 269.56/x
  3. Step 3: Cross multiply
    334.76x = 462.22 × 269.56
  4. Step 4: Simplify right side
    334.76x = 124,596.02
  5. Step 5: Solve for x
    x = 124,596.02/334.76
  6. Step 6: Final answer
    x = 372.20

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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.