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Finding the Fourth Proportional to 220.44, 330.66 and 183.99

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Solution

The fourth proportional to 220.44, 330.66 and 183.99 is: 275.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    220.44 : 330.66 = 183.99 : x
  2. Step 2: Convert to fraction form
    220.44/330.66 = 183.99/x
  3. Step 3: Cross multiply
    220.44x = 330.66 × 183.99
  4. Step 4: Simplify right side
    220.44x = 60,838.13
  5. Step 5: Solve for x
    x = 60,838.13/220.44
  6. Step 6: Final answer
    x = 275.99

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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.