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Finding the Fourth Proportional to 294.91, 441.86 and 192.07

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Solution

The fourth proportional to 294.91, 441.86 and 192.07 is: 287.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.91 : 441.86 = 192.07 : x
  2. Step 2: Convert to fraction form
    294.91/441.86 = 192.07/x
  3. Step 3: Cross multiply
    294.91x = 441.86 × 192.07
  4. Step 4: Simplify right side
    294.91x = 84,868.05
  5. Step 5: Solve for x
    x = 84,868.05/294.91
  6. Step 6: Final answer
    x = 287.78

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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.