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Finding the Fourth Proportional to 496.52, 744.65 and 167.40

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Solution

The fourth proportional to 496.52, 744.65 and 167.40 is: 251.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.52 : 744.65 = 167.40 : x
  2. Step 2: Convert to fraction form
    496.52/744.65 = 167.40/x
  3. Step 3: Cross multiply
    496.52x = 744.65 × 167.40
  4. Step 4: Simplify right side
    496.52x = 124,655.43
  5. Step 5: Solve for x
    x = 124,655.43/496.52
  6. Step 6: Final answer
    x = 251.06

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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.