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Finding the Fourth Proportional to 894.17, 1,232.97 and 614.54

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Solution

The fourth proportional to 894.17, 1,232.97 and 614.54 is: 847.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.17 : 1,232.97 = 614.54 : x
  2. Step 2: Convert to fraction form
    894.17/1,232.97 = 614.54/x
  3. Step 3: Cross multiply
    894.17x = 1,232.97 × 614.54
  4. Step 4: Simplify right side
    894.17x = 757,709.38
  5. Step 5: Solve for x
    x = 757,709.38/894.17
  6. Step 6: Final answer
    x = 847.39

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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.