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Finding the Fourth Proportional to 323.06, 445.57 and 192.04

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Solution

The fourth proportional to 323.06, 445.57 and 192.04 is: 264.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.06 : 445.57 = 192.04 : x
  2. Step 2: Convert to fraction form
    323.06/445.57 = 192.04/x
  3. Step 3: Cross multiply
    323.06x = 445.57 × 192.04
  4. Step 4: Simplify right side
    323.06x = 85,565.67
  5. Step 5: Solve for x
    x = 85,565.67/323.06
  6. Step 6: Final answer
    x = 264.86

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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.