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Finding the Fourth Proportional to 301.44, 452.34 and 118.98

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Solution

The fourth proportional to 301.44, 452.34 and 118.98 is: 178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.44 : 452.34 = 118.98 : x
  2. Step 2: Convert to fraction form
    301.44/452.34 = 118.98/x
  3. Step 3: Cross multiply
    301.44x = 452.34 × 118.98
  4. Step 4: Simplify right side
    301.44x = 53,819.41
  5. Step 5: Solve for x
    x = 53,819.41/301.44
  6. Step 6: Final answer
    x = 178.54

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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.