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Finding the Fourth Proportional to 246.74, 369.54 and 243.99

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Solution

The fourth proportional to 246.74, 369.54 and 243.99 is: 365.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.74 : 369.54 = 243.99 : x
  2. Step 2: Convert to fraction form
    246.74/369.54 = 243.99/x
  3. Step 3: Cross multiply
    246.74x = 369.54 × 243.99
  4. Step 4: Simplify right side
    246.74x = 90,164.06
  5. Step 5: Solve for x
    x = 90,164.06/246.74
  6. Step 6: Final answer
    x = 365.43

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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.