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Finding the Fourth Proportional to 499.14, 748.77 and 133.94

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Solution

The fourth proportional to 499.14, 748.77 and 133.94 is: 200.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    499.14 : 748.77 = 133.94 : x
  2. Step 2: Convert to fraction form
    499.14/748.77 = 133.94/x
  3. Step 3: Cross multiply
    499.14x = 748.77 × 133.94
  4. Step 4: Simplify right side
    499.14x = 100,286.51
  5. Step 5: Solve for x
    x = 100,286.51/499.14
  6. Step 6: Final answer
    x = 200.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.