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Finding the Fourth Proportional to 334.41, 461.51 and 203.43

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Solution

The fourth proportional to 334.41, 461.51 and 203.43 is: 280.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.41 : 461.51 = 203.43 : x
  2. Step 2: Convert to fraction form
    334.41/461.51 = 203.43/x
  3. Step 3: Cross multiply
    334.41x = 461.51 × 203.43
  4. Step 4: Simplify right side
    334.41x = 93,883.96
  5. Step 5: Solve for x
    x = 93,883.96/334.41
  6. Step 6: Final answer
    x = 280.75

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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.