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Finding the Fourth Proportional to 301.67, 452.55 and 116.57

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Solution

The fourth proportional to 301.67, 452.55 and 116.57 is: 174.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.67 : 452.55 = 116.57 : x
  2. Step 2: Convert to fraction form
    301.67/452.55 = 116.57/x
  3. Step 3: Cross multiply
    301.67x = 452.55 × 116.57
  4. Step 4: Simplify right side
    301.67x = 52,751.49
  5. Step 5: Solve for x
    x = 52,751.49/301.67
  6. Step 6: Final answer
    x = 174.87

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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.