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Finding the Fourth Proportional to 499.97, 749.96 and 175.26

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Solution

The fourth proportional to 499.97, 749.96 and 175.26 is: 262.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    499.97 : 749.96 = 175.26 : x
  2. Step 2: Convert to fraction form
    499.97/749.96 = 175.26/x
  3. Step 3: Cross multiply
    499.97x = 749.96 × 175.26
  4. Step 4: Simplify right side
    499.97x = 131,437.11
  5. Step 5: Solve for x
    x = 131,437.11/499.97
  6. Step 6: Final answer
    x = 262.89

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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.