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Finding the Fourth Proportional to 271.26, 404.28 and 266.94

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Solution

The fourth proportional to 271.26, 404.28 and 266.94 is: 397.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.26 : 404.28 = 266.94 : x
  2. Step 2: Convert to fraction form
    271.26/404.28 = 266.94/x
  3. Step 3: Cross multiply
    271.26x = 404.28 × 266.94
  4. Step 4: Simplify right side
    271.26x = 107,918.50
  5. Step 5: Solve for x
    x = 107,918.50/271.26
  6. Step 6: Final answer
    x = 397.84

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.