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Finding the Fourth Proportional to 366, 548.44 and 269.34

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Solution

The fourth proportional to 366, 548.44 and 269.34 is: 403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    366 : 548.44 = 269.34 : x
  2. Step 2: Convert to fraction form
    366/548.44 = 269.34/x
  3. Step 3: Cross multiply
    366x = 548.44 × 269.34
  4. Step 4: Simplify right side
    366x = 147,716.83
  5. Step 5: Solve for x
    x = 147,716.83/366
  6. Step 6: Final answer
    x = 403.60

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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.