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Finding the Fourth Proportional to 302.26, 452.91 and 180.22

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Solution

The fourth proportional to 302.26, 452.91 and 180.22 is: 270.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.26 : 452.91 = 180.22 : x
  2. Step 2: Convert to fraction form
    302.26/452.91 = 180.22/x
  3. Step 3: Cross multiply
    302.26x = 452.91 × 180.22
  4. Step 4: Simplify right side
    302.26x = 81,623.44
  5. Step 5: Solve for x
    x = 81,623.44/302.26
  6. Step 6: Final answer
    x = 270.04

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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.