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Finding the Fourth Proportional to 531.32, 733.38 and 335.12

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Solution

The fourth proportional to 531.32, 733.38 and 335.12 is: 462.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.32 : 733.38 = 335.12 : x
  2. Step 2: Convert to fraction form
    531.32/733.38 = 335.12/x
  3. Step 3: Cross multiply
    531.32x = 733.38 × 335.12
  4. Step 4: Simplify right side
    531.32x = 245,770.31
  5. Step 5: Solve for x
    x = 245,770.31/531.32
  6. Step 6: Final answer
    x = 462.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.