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Finding the Fourth Proportional to 532.29, 797.64 and 481.72

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Solution

The fourth proportional to 532.29, 797.64 and 481.72 is: 721.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.29 : 797.64 = 481.72 : x
  2. Step 2: Convert to fraction form
    532.29/797.64 = 481.72/x
  3. Step 3: Cross multiply
    532.29x = 797.64 × 481.72
  4. Step 4: Simplify right side
    532.29x = 384,239.14
  5. Step 5: Solve for x
    x = 384,239.14/532.29
  6. Step 6: Final answer
    x = 721.86

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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.