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Finding the Fourth Proportional to 532.52, 797.82 and 445.76

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Solution

The fourth proportional to 532.52, 797.82 and 445.76 is: 667.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.52 : 797.82 = 445.76 : x
  2. Step 2: Convert to fraction form
    532.52/797.82 = 445.76/x
  3. Step 3: Cross multiply
    532.52x = 797.82 × 445.76
  4. Step 4: Simplify right side
    532.52x = 355,632.02
  5. Step 5: Solve for x
    x = 355,632.02/532.52
  6. Step 6: Final answer
    x = 667.83

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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.