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Finding the Fourth Proportional to 499.96, 749.33 and 363.48

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Solution

The fourth proportional to 499.96, 749.33 and 363.48 is: 544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    499.96 : 749.33 = 363.48 : x
  2. Step 2: Convert to fraction form
    499.96/749.33 = 363.48/x
  3. Step 3: Cross multiply
    499.96x = 749.33 × 363.48
  4. Step 4: Simplify right side
    499.96x = 272,366.47
  5. Step 5: Solve for x
    x = 272,366.47/499.96
  6. Step 6: Final answer
    x = 544.78

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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.