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Finding the Fourth Proportional to 531.96, 733.92 and 335.28

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Solution

The fourth proportional to 531.96, 733.92 and 335.28 is: 462.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.96 : 733.92 = 335.28 : x
  2. Step 2: Convert to fraction form
    531.96/733.92 = 335.28/x
  3. Step 3: Cross multiply
    531.96x = 733.92 × 335.28
  4. Step 4: Simplify right side
    531.96x = 246,068.70
  5. Step 5: Solve for x
    x = 246,068.70/531.96
  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.