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Finding the Fourth Proportional to 269.76, 404.82 and 246

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Solution

The fourth proportional to 269.76, 404.82 and 246 is: 369.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.76 : 404.82 = 246 : x
  2. Step 2: Convert to fraction form
    269.76/404.82 = 246/x
  3. Step 3: Cross multiply
    269.76x = 404.82 × 246
  4. Step 4: Simplify right side
    269.76x = 99,585.72
  5. Step 5: Solve for x
    x = 99,585.72/269.76
  6. Step 6: Final answer
    x = 369.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.