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Finding the Fourth Proportional to 269.98, 404.30 and 183

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Solution

The fourth proportional to 269.98, 404.30 and 183 is: 274.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.98 : 404.30 = 183 : x
  2. Step 2: Convert to fraction form
    269.98/404.30 = 183/x
  3. Step 3: Cross multiply
    269.98x = 404.30 × 183
  4. Step 4: Simplify right side
    269.98x = 73,987.36
  5. Step 5: Solve for x
    x = 73,987.36/269.98
  6. Step 6: Final answer
    x = 274.05

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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.