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Finding the Fourth Proportional to 466.11, 698.91 and 192.39

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Solution

The fourth proportional to 466.11, 698.91 and 192.39 is: 288.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.11 : 698.91 = 192.39 : x
  2. Step 2: Convert to fraction form
    466.11/698.91 = 192.39/x
  3. Step 3: Cross multiply
    466.11x = 698.91 × 192.39
  4. Step 4: Simplify right side
    466.11x = 134,463.29
  5. Step 5: Solve for x
    x = 134,463.29/466.11
  6. Step 6: Final answer
    x = 288.48

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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.