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Finding the Fourth Proportional to 246.36, 369.27 and 165

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Solution

The fourth proportional to 246.36, 369.27 and 165 is: 247.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.36 : 369.27 = 165 : x
  2. Step 2: Convert to fraction form
    246.36/369.27 = 165/x
  3. Step 3: Cross multiply
    246.36x = 369.27 × 165
  4. Step 4: Simplify right side
    246.36x = 60,929.55
  5. Step 5: Solve for x
    x = 60,929.55/246.36
  6. Step 6: Final answer
    x = 247.32

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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.