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Finding the Fourth Proportional to 269.94, 404.91 and 250.50

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Solution

The fourth proportional to 269.94, 404.91 and 250.50 is: 375.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.94 : 404.91 = 250.50 : x
  2. Step 2: Convert to fraction form
    269.94/404.91 = 250.50/x
  3. Step 3: Cross multiply
    269.94x = 404.91 × 250.50
  4. Step 4: Simplify right side
    269.94x = 101,429.96
  5. Step 5: Solve for x
    x = 101,429.96/269.94
  6. Step 6: Final answer
    x = 375.75

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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.