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Finding the Fourth Proportional to 551.44, 756.11 and 535.24

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Solution

The fourth proportional to 551.44, 756.11 and 535.24 is: 733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551.44 : 756.11 = 535.24 : x
  2. Step 2: Convert to fraction form
    551.44/756.11 = 535.24/x
  3. Step 3: Cross multiply
    551.44x = 756.11 × 535.24
  4. Step 4: Simplify right side
    551.44x = 404,700.32
  5. Step 5: Solve for x
    x = 404,700.32/551.44
  6. Step 6: Final answer
    x = 733.90

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.