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Finding the Fourth Proportional to 466.38, 698.96 and 192.11

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Solution

The fourth proportional to 466.38, 698.96 and 192.11 is: 287.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.38 : 698.96 = 192.11 : x
  2. Step 2: Convert to fraction form
    466.38/698.96 = 192.11/x
  3. Step 3: Cross multiply
    466.38x = 698.96 × 192.11
  4. Step 4: Simplify right side
    466.38x = 134,274.19
  5. Step 5: Solve for x
    x = 134,274.19/466.38
  6. Step 6: Final answer
    x = 287.91

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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.