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Finding the Fourth Proportional to 499.25, 748.81 and 134.01

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Solution

The fourth proportional to 499.25, 748.81 and 134.01 is: 201.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    499.25 : 748.81 = 134.01 : x
  2. Step 2: Convert to fraction form
    499.25/748.81 = 134.01/x
  3. Step 3: Cross multiply
    499.25x = 748.81 × 134.01
  4. Step 4: Simplify right side
    499.25x = 100,348.03
  5. Step 5: Solve for x
    x = 100,348.03/499.25
  6. Step 6: Final answer
    x = 201.00

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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.