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Finding the Fourth Proportional to 263.61, 397.41 and 246.44

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Solution

The fourth proportional to 263.61, 397.41 and 246.44 is: 371.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.61 : 397.41 = 246.44 : x
  2. Step 2: Convert to fraction form
    263.61/397.41 = 246.44/x
  3. Step 3: Cross multiply
    263.61x = 397.41 × 246.44
  4. Step 4: Simplify right side
    263.61x = 97,935.73
  5. Step 5: Solve for x
    x = 97,935.73/263.61
  6. Step 6: Final answer
    x = 371.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.