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Finding the Fourth Proportional to 269.36, 406 and 246.32

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Solution

The fourth proportional to 269.36, 406 and 246.32 is: 371.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.36 : 406 = 246.32 : x
  2. Step 2: Convert to fraction form
    269.36/406 = 246.32/x
  3. Step 3: Cross multiply
    269.36x = 406 × 246.32
  4. Step 4: Simplify right side
    269.36x = 100,005.92
  5. Step 5: Solve for x
    x = 100,005.92/269.36
  6. Step 6: Final answer
    x = 371.27

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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.