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Finding the Fourth Proportional to 499.01, 748.53 and 174.38

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Solution

The fourth proportional to 499.01, 748.53 and 174.38 is: 261.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    499.01 : 748.53 = 174.38 : x
  2. Step 2: Convert to fraction form
    499.01/748.53 = 174.38/x
  3. Step 3: Cross multiply
    499.01x = 748.53 × 174.38
  4. Step 4: Simplify right side
    499.01x = 130,524.92
  5. Step 5: Solve for x
    x = 130,524.92/499.01
  6. Step 6: Final answer
    x = 261.57

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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.