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Finding the Fourth Proportional to 293.03, 404.06 and 239.70

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Solution

The fourth proportional to 293.03, 404.06 and 239.70 is: 330.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.03 : 404.06 = 239.70 : x
  2. Step 2: Convert to fraction form
    293.03/404.06 = 239.70/x
  3. Step 3: Cross multiply
    293.03x = 404.06 × 239.70
  4. Step 4: Simplify right side
    293.03x = 96,853.18
  5. Step 5: Solve for x
    x = 96,853.18/293.03
  6. Step 6: Final answer
    x = 330.52

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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.