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Finding the Fourth Proportional to 293.10, 404.37 and 205.62

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Solution

The fourth proportional to 293.10, 404.37 and 205.62 is: 283.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.10 : 404.37 = 205.62 : x
  2. Step 2: Convert to fraction form
    293.10/404.37 = 205.62/x
  3. Step 3: Cross multiply
    293.10x = 404.37 × 205.62
  4. Step 4: Simplify right side
    293.10x = 83,146.56
  5. Step 5: Solve for x
    x = 83,146.56/293.10
  6. Step 6: Final answer
    x = 283.68

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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.