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Finding the Fourth Proportional to 452.97, 679.49 and 160.44

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Solution

The fourth proportional to 452.97, 679.49 and 160.44 is: 240.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.97 : 679.49 = 160.44 : x
  2. Step 2: Convert to fraction form
    452.97/679.49 = 160.44/x
  3. Step 3: Cross multiply
    452.97x = 679.49 × 160.44
  4. Step 4: Simplify right side
    452.97x = 109,017.38
  5. Step 5: Solve for x
    x = 109,017.38/452.97
  6. Step 6: Final answer
    x = 240.67

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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.