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Finding the Fourth Proportional to 246.42, 369.72 and 201.48

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Solution

The fourth proportional to 246.42, 369.72 and 201.48 is: 302.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.42 : 369.72 = 201.48 : x
  2. Step 2: Convert to fraction form
    246.42/369.72 = 201.48/x
  3. Step 3: Cross multiply
    246.42x = 369.72 × 201.48
  4. Step 4: Simplify right side
    246.42x = 74,491.19
  5. Step 5: Solve for x
    x = 74,491.19/246.42
  6. Step 6: Final answer
    x = 302.29

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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.