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Finding the Fourth Proportional to 806.49, 1,112.26 and 596.97

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Solution

The fourth proportional to 806.49, 1,112.26 and 596.97 is: 823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    806.49 : 1,112.26 = 596.97 : x
  2. Step 2: Convert to fraction form
    806.49/1,112.26 = 596.97/x
  3. Step 3: Cross multiply
    806.49x = 1,112.26 × 596.97
  4. Step 4: Simplify right side
    806.49x = 663,985.85
  5. Step 5: Solve for x
    x = 663,985.85/806.49
  6. Step 6: Final answer
    x = 823.30

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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.