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Finding the Fourth Proportional to 466.18, 699.47 and 192.47

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Solution

The fourth proportional to 466.18, 699.47 and 192.47 is: 288.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.18 : 699.47 = 192.47 : x
  2. Step 2: Convert to fraction form
    466.18/699.47 = 192.47/x
  3. Step 3: Cross multiply
    466.18x = 699.47 × 192.47
  4. Step 4: Simplify right side
    466.18x = 134,626.99
  5. Step 5: Solve for x
    x = 134,626.99/466.18
  6. Step 6: Final answer
    x = 288.79

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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.