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Finding the Fourth Proportional to 307.62, 461.01 and 163.26

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Solution

The fourth proportional to 307.62, 461.01 and 163.26 is: 244.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    307.62 : 461.01 = 163.26 : x
  2. Step 2: Convert to fraction form
    307.62/461.01 = 163.26/x
  3. Step 3: Cross multiply
    307.62x = 461.01 × 163.26
  4. Step 4: Simplify right side
    307.62x = 75,264.49
  5. Step 5: Solve for x
    x = 75,264.49/307.62
  6. Step 6: Final answer
    x = 244.67

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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.