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Finding the Fourth Proportional to 499.50, 749.44 and 174.92

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Solution

The fourth proportional to 499.50, 749.44 and 174.92 is: 262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    499.50 : 749.44 = 174.92 : x
  2. Step 2: Convert to fraction form
    499.50/749.44 = 174.92/x
  3. Step 3: Cross multiply
    499.50x = 749.44 × 174.92
  4. Step 4: Simplify right side
    499.50x = 131,089.30
  5. Step 5: Solve for x
    x = 131,089.30/499.50
  6. Step 6: Final answer
    x = 262.44

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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.