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Finding the Fourth Proportional to 539.24, 743.94 and 332.36

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Solution

The fourth proportional to 539.24, 743.94 and 332.36 is: 458.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.24 : 743.94 = 332.36 : x
  2. Step 2: Convert to fraction form
    539.24/743.94 = 332.36/x
  3. Step 3: Cross multiply
    539.24x = 743.94 × 332.36
  4. Step 4: Simplify right side
    539.24x = 247,255.90
  5. Step 5: Solve for x
    x = 247,255.90/539.24
  6. Step 6: Final answer
    x = 458.53

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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.