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Finding the Fourth Proportional to 271.88, 405.96 and 244

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Solution

The fourth proportional to 271.88, 405.96 and 244 is: 364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.88 : 405.96 = 244 : x
  2. Step 2: Convert to fraction form
    271.88/405.96 = 244/x
  3. Step 3: Cross multiply
    271.88x = 405.96 × 244
  4. Step 4: Simplify right side
    271.88x = 99,054.24
  5. Step 5: Solve for x
    x = 99,054.24/271.88
  6. Step 6: Final answer
    x = 364.33

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Why These Related Problems?

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