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Finding the Fourth Proportional to 496.11, 743.20 and 264.93

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Solution

The fourth proportional to 496.11, 743.20 and 264.93 is: 396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.11 : 743.20 = 264.93 : x
  2. Step 2: Convert to fraction form
    496.11/743.20 = 264.93/x
  3. Step 3: Cross multiply
    496.11x = 743.20 × 264.93
  4. Step 4: Simplify right side
    496.11x = 196,895.98
  5. Step 5: Solve for x
    x = 196,895.98/496.11
  6. Step 6: Final answer
    x = 396.88

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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.