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Finding the Fourth Proportional to 293.96, 442.95 and 243.73

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Solution

The fourth proportional to 293.96, 442.95 and 243.73 is: 367.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.96 : 442.95 = 243.73 : x
  2. Step 2: Convert to fraction form
    293.96/442.95 = 243.73/x
  3. Step 3: Cross multiply
    293.96x = 442.95 × 243.73
  4. Step 4: Simplify right side
    293.96x = 107,960.20
  5. Step 5: Solve for x
    x = 107,960.20/293.96
  6. Step 6: Final answer
    x = 367.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.