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Finding the Fourth Proportional to 293.84, 440.48 and 242.36

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Solution

The fourth proportional to 293.84, 440.48 and 242.36 is: 363.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.84 : 440.48 = 242.36 : x
  2. Step 2: Convert to fraction form
    293.84/440.48 = 242.36/x
  3. Step 3: Cross multiply
    293.84x = 440.48 × 242.36
  4. Step 4: Simplify right side
    293.84x = 106,754.73
  5. Step 5: Solve for x
    x = 106,754.73/293.84
  6. Step 6: Final answer
    x = 363.31

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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.