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Finding the Fourth Proportional to 694.38, 958.92 and 594.22

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Solution

The fourth proportional to 694.38, 958.92 and 594.22 is: 820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.38 : 958.92 = 594.22 : x
  2. Step 2: Convert to fraction form
    694.38/958.92 = 594.22/x
  3. Step 3: Cross multiply
    694.38x = 958.92 × 594.22
  4. Step 4: Simplify right side
    694.38x = 569,809.44
  5. Step 5: Solve for x
    x = 569,809.44/694.38
  6. Step 6: Final answer
    x = 820.60

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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.