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Finding the Fourth Proportional to 926.85, 1,279.14 and 596.07

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Solution

The fourth proportional to 926.85, 1,279.14 and 596.07 is: 822.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    926.85 : 1,279.14 = 596.07 : x
  2. Step 2: Convert to fraction form
    926.85/1,279.14 = 596.07/x
  3. Step 3: Cross multiply
    926.85x = 1,279.14 × 596.07
  4. Step 4: Simplify right side
    926.85x = 762,456.98
  5. Step 5: Solve for x
    x = 762,456.98/926.85
  6. Step 6: Final answer
    x = 822.63

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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.