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Finding the Fourth Proportional to 532.47, 797.45 and 349.59

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Solution

The fourth proportional to 532.47, 797.45 and 349.59 is: 523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.47 : 797.45 = 349.59 : x
  2. Step 2: Convert to fraction form
    532.47/797.45 = 349.59/x
  3. Step 3: Cross multiply
    532.47x = 797.45 × 349.59
  4. Step 4: Simplify right side
    532.47x = 278,778.80
  5. Step 5: Solve for x
    x = 278,778.80/532.47
  6. Step 6: Final answer
    x = 523.56

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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.