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Finding the Fourth Proportional to 424.96, 636.83 and 241.97

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Solution

The fourth proportional to 424.96, 636.83 and 241.97 is: 362.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    424.96 : 636.83 = 241.97 : x
  2. Step 2: Convert to fraction form
    424.96/636.83 = 241.97/x
  3. Step 3: Cross multiply
    424.96x = 636.83 × 241.97
  4. Step 4: Simplify right side
    424.96x = 154,096.39
  5. Step 5: Solve for x
    x = 154,096.39/424.96
  6. Step 6: Final answer
    x = 362.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.