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Finding the Fourth Proportional to 531.22, 796.84 and 166.02

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Solution

The fourth proportional to 531.22, 796.84 and 166.02 is: 249.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.22 : 796.84 = 166.02 : x
  2. Step 2: Convert to fraction form
    531.22/796.84 = 166.02/x
  3. Step 3: Cross multiply
    531.22x = 796.84 × 166.02
  4. Step 4: Simplify right side
    531.22x = 132,291.38
  5. Step 5: Solve for x
    x = 132,291.38/531.22
  6. Step 6: Final answer
    x = 249.03

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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.