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Finding the Fourth Proportional to 366, 548.98 and 122.52

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Solution

The fourth proportional to 366, 548.98 and 122.52 is: 183.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    366 : 548.98 = 122.52 : x
  2. Step 2: Convert to fraction form
    366/548.98 = 122.52/x
  3. Step 3: Cross multiply
    366x = 548.98 × 122.52
  4. Step 4: Simplify right side
    366x = 67,261.03
  5. Step 5: Solve for x
    x = 67,261.03/366
  6. Step 6: Final answer
    x = 183.77

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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.