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Finding the Fourth Proportional to 531.38, 795.92 and 325.33

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Solution

The fourth proportional to 531.38, 795.92 and 325.33 is: 487.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.38 : 795.92 = 325.33 : x
  2. Step 2: Convert to fraction form
    531.38/795.92 = 325.33/x
  3. Step 3: Cross multiply
    531.38x = 795.92 × 325.33
  4. Step 4: Simplify right side
    531.38x = 258,934.26
  5. Step 5: Solve for x
    x = 258,934.26/531.38
  6. Step 6: Final answer
    x = 487.28

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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.