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Finding the Fourth Proportional to 424.44, 636.12 and 241.92

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Solution

The fourth proportional to 424.44, 636.12 and 241.92 is: 362.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    424.44 : 636.12 = 241.92 : x
  2. Step 2: Convert to fraction form
    424.44/636.12 = 241.92/x
  3. Step 3: Cross multiply
    424.44x = 636.12 × 241.92
  4. Step 4: Simplify right side
    424.44x = 153,890.15
  5. Step 5: Solve for x
    x = 153,890.15/424.44
  6. Step 6: Final answer
    x = 362.57

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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.