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Finding the Fourth Proportional to 531.97, 797.34 and 223.36

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Solution

The fourth proportional to 531.97, 797.34 and 223.36 is: 334.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.97 : 797.34 = 223.36 : x
  2. Step 2: Convert to fraction form
    531.97/797.34 = 223.36/x
  3. Step 3: Cross multiply
    531.97x = 797.34 × 223.36
  4. Step 4: Simplify right side
    531.97x = 178,092.71
  5. Step 5: Solve for x
    x = 178,092.71/531.97
  6. Step 6: Final answer
    x = 334.78

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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.