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Finding the Fourth Proportional to 366.02, 548.72 and 122.41

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Solution

The fourth proportional to 366.02, 548.72 and 122.41 is: 183.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.02 : 548.72 = 122.41 : x
  2. Step 2: Convert to fraction form
    366.02/548.72 = 122.41/x
  3. Step 3: Cross multiply
    366.02x = 548.72 × 122.41
  4. Step 4: Simplify right side
    366.02x = 67,170.04
  5. Step 5: Solve for x
    x = 67,170.04/366.02
  6. Step 6: Final answer
    x = 183.52

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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.