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Finding the Fourth Proportional to 334.71, 461.79 and 203.70

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Solution

The fourth proportional to 334.71, 461.79 and 203.70 is: 281.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.71 : 461.79 = 203.70 : x
  2. Step 2: Convert to fraction form
    334.71/461.79 = 203.70/x
  3. Step 3: Cross multiply
    334.71x = 461.79 × 203.70
  4. Step 4: Simplify right side
    334.71x = 94,066.62
  5. Step 5: Solve for x
    x = 94,066.62/334.71
  6. Step 6: Final answer
    x = 281.04

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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.