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Finding the Fourth Proportional to 496.82, 744.96 and 404.03

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Solution

The fourth proportional to 496.82, 744.96 and 404.03 is: 605.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.82 : 744.96 = 404.03 : x
  2. Step 2: Convert to fraction form
    496.82/744.96 = 404.03/x
  3. Step 3: Cross multiply
    496.82x = 744.96 × 404.03
  4. Step 4: Simplify right side
    496.82x = 300,982.46
  5. Step 5: Solve for x
    x = 300,982.46/496.82
  6. Step 6: Final answer
    x = 605.82

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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.