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Finding the Fourth Proportional to 334.86, 462.22 and 203.92

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Solution

The fourth proportional to 334.86, 462.22 and 203.92 is: 281.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.86 : 462.22 = 203.92 : x
  2. Step 2: Convert to fraction form
    334.86/462.22 = 203.92/x
  3. Step 3: Cross multiply
    334.86x = 462.22 × 203.92
  4. Step 4: Simplify right side
    334.86x = 94,255.90
  5. Step 5: Solve for x
    x = 94,255.90/334.86
  6. Step 6: Final answer
    x = 281.48

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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.