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Finding the Fourth Proportional to 426.26, 588.57 and 326.94

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Solution

The fourth proportional to 426.26, 588.57 and 326.94 is: 451.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    426.26 : 588.57 = 326.94 : x
  2. Step 2: Convert to fraction form
    426.26/588.57 = 326.94/x
  3. Step 3: Cross multiply
    426.26x = 588.57 × 326.94
  4. Step 4: Simplify right side
    426.26x = 192,423.64
  5. Step 5: Solve for x
    x = 192,423.64/426.26
  6. Step 6: Final answer
    x = 451.42

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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.