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Finding the Fourth Proportional to 264.94, 396.19 and 192.04

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Solution

The fourth proportional to 264.94, 396.19 and 192.04 is: 287.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.94 : 396.19 = 192.04 : x
  2. Step 2: Convert to fraction form
    264.94/396.19 = 192.04/x
  3. Step 3: Cross multiply
    264.94x = 396.19 × 192.04
  4. Step 4: Simplify right side
    264.94x = 76,084.33
  5. Step 5: Solve for x
    x = 76,084.33/264.94
  6. Step 6: Final answer
    x = 287.18

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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.