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Finding the Fourth Proportional to 733.54, 1,102.20 and 552.10

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Solution

The fourth proportional to 733.54, 1,102.20 and 552.10 is: 829.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.54 : 1,102.20 = 552.10 : x
  2. Step 2: Convert to fraction form
    733.54/1,102.20 = 552.10/x
  3. Step 3: Cross multiply
    733.54x = 1,102.20 × 552.10
  4. Step 4: Simplify right side
    733.54x = 608,524.62
  5. Step 5: Solve for x
    x = 608,524.62/733.54
  6. Step 6: Final answer
    x = 829.57

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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.