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Finding the Fourth Proportional to 663.26, 914.36 and 532.04

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Solution

The fourth proportional to 663.26, 914.36 and 532.04 is: 733.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    663.26 : 914.36 = 532.04 : x
  2. Step 2: Convert to fraction form
    663.26/914.36 = 532.04/x
  3. Step 3: Cross multiply
    663.26x = 914.36 × 532.04
  4. Step 4: Simplify right side
    663.26x = 486,468.86
  5. Step 5: Solve for x
    x = 486,468.86/663.26
  6. Step 6: Final answer
    x = 733.46

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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.