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Finding the Fourth Proportional to 896.47, 1,344.60 and 733.86

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Solution

The fourth proportional to 896.47, 1,344.60 and 733.86 is: 1,100.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    896.47 : 1,344.60 = 733.86 : x
  2. Step 2: Convert to fraction form
    896.47/1,344.60 = 733.86/x
  3. Step 3: Cross multiply
    896.47x = 1,344.60 × 733.86
  4. Step 4: Simplify right side
    896.47x = 986,748.16
  5. Step 5: Solve for x
    x = 986,748.16/896.47
  6. Step 6: Final answer
    x = 1,100.71

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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.