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Finding the Fourth Proportional to 694.22, 958.08 and 432.27

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Solution

The fourth proportional to 694.22, 958.08 and 432.27 is: 596.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.22 : 958.08 = 432.27 : x
  2. Step 2: Convert to fraction form
    694.22/958.08 = 432.27/x
  3. Step 3: Cross multiply
    694.22x = 958.08 × 432.27
  4. Step 4: Simplify right side
    694.22x = 414,147.08
  5. Step 5: Solve for x
    x = 414,147.08/694.22
  6. Step 6: Final answer
    x = 596.57

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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.