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Finding the Fourth Proportional to 496.24, 743.72 and 265.24

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Solution

The fourth proportional to 496.24, 743.72 and 265.24 is: 397.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.24 : 743.72 = 265.24 : x
  2. Step 2: Convert to fraction form
    496.24/743.72 = 265.24/x
  3. Step 3: Cross multiply
    496.24x = 743.72 × 265.24
  4. Step 4: Simplify right side
    496.24x = 197,264.29
  5. Step 5: Solve for x
    x = 197,264.29/496.24
  6. Step 6: Final answer
    x = 397.52

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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.