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Finding the Fourth Proportional to 531.58, 797.22 and 166.27

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Solution

The fourth proportional to 531.58, 797.22 and 166.27 is: 249.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.58 : 797.22 = 166.27 : x
  2. Step 2: Convert to fraction form
    531.58/797.22 = 166.27/x
  3. Step 3: Cross multiply
    531.58x = 797.22 × 166.27
  4. Step 4: Simplify right side
    531.58x = 132,553.77
  5. Step 5: Solve for x
    x = 132,553.77/531.58
  6. Step 6: Final answer
    x = 249.36

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Similar ratio
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1.5x scale

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.