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Finding the Fourth Proportional to 694.64, 958.92 and 608.24

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Solution

The fourth proportional to 694.64, 958.92 and 608.24 is: 839.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.64 : 958.92 = 608.24 : x
  2. Step 2: Convert to fraction form
    694.64/958.92 = 608.24/x
  3. Step 3: Cross multiply
    694.64x = 958.92 × 608.24
  4. Step 4: Simplify right side
    694.64x = 583,253.50
  5. Step 5: Solve for x
    x = 583,253.50/694.64
  6. Step 6: Final answer
    x = 839.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.