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Finding the Fourth Proportional to 292.98, 404.31 and 182.42

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Solution

The fourth proportional to 292.98, 404.31 and 182.42 is: 251.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.98 : 404.31 = 182.42 : x
  2. Step 2: Convert to fraction form
    292.98/404.31 = 182.42/x
  3. Step 3: Cross multiply
    292.98x = 404.31 × 182.42
  4. Step 4: Simplify right side
    292.98x = 73,754.23
  5. Step 5: Solve for x
    x = 73,754.23/292.98
  6. Step 6: Final answer
    x = 251.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.