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Finding the Fourth Proportional to 244.44, 336.60 and 178.80

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Solution

The fourth proportional to 244.44, 336.60 and 178.80 is: 246.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.44 : 336.60 = 178.80 : x
  2. Step 2: Convert to fraction form
    244.44/336.60 = 178.80/x
  3. Step 3: Cross multiply
    244.44x = 336.60 × 178.80
  4. Step 4: Simplify right side
    244.44x = 60,184.08
  5. Step 5: Solve for x
    x = 60,184.08/244.44
  6. Step 6: Final answer
    x = 246.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.