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Finding the Fourth Proportional to 531.35, 796.45 and 222.97

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Solution

The fourth proportional to 531.35, 796.45 and 222.97 is: 334.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.35 : 796.45 = 222.97 : x
  2. Step 2: Convert to fraction form
    531.35/796.45 = 222.97/x
  3. Step 3: Cross multiply
    531.35x = 796.45 × 222.97
  4. Step 4: Simplify right side
    531.35x = 177,584.46
  5. Step 5: Solve for x
    x = 177,584.46/531.35
  6. Step 6: Final answer
    x = 334.21

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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.