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Finding the Fourth Proportional to 531.62, 797.75 and 223.73

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Solution

The fourth proportional to 531.62, 797.75 and 223.73 is: 335.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.62 : 797.75 = 223.73 : x
  2. Step 2: Convert to fraction form
    531.62/797.75 = 223.73/x
  3. Step 3: Cross multiply
    531.62x = 797.75 × 223.73
  4. Step 4: Simplify right side
    531.62x = 178,475.50
  5. Step 5: Solve for x
    x = 178,475.50/531.62
  6. Step 6: Final answer
    x = 335.72

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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.