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Finding the Fourth Proportional to 424.01, 636.03 and 150.14

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Solution

The fourth proportional to 424.01, 636.03 and 150.14 is: 225.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    424.01 : 636.03 = 150.14 : x
  2. Step 2: Convert to fraction form
    424.01/636.03 = 150.14/x
  3. Step 3: Cross multiply
    424.01x = 636.03 × 150.14
  4. Step 4: Simplify right side
    424.01x = 95,493.54
  5. Step 5: Solve for x
    x = 95,493.54/424.01
  6. Step 6: Final answer
    x = 225.22

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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.