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Finding the Fourth Proportional to 466.45, 699.66 and 192.54

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Solution

The fourth proportional to 466.45, 699.66 and 192.54 is: 288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.45 : 699.66 = 192.54 : x
  2. Step 2: Convert to fraction form
    466.45/699.66 = 192.54/x
  3. Step 3: Cross multiply
    466.45x = 699.66 × 192.54
  4. Step 4: Simplify right side
    466.45x = 134,712.54
  5. Step 5: Solve for x
    x = 134,712.54/466.45
  6. Step 6: Final answer
    x = 288.80

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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.