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Finding the Fourth Proportional to 300.44, 450.62 and 95

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Solution

The fourth proportional to 300.44, 450.62 and 95 is: 142.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.44 : 450.62 = 95 : x
  2. Step 2: Convert to fraction form
    300.44/450.62 = 95/x
  3. Step 3: Cross multiply
    300.44x = 450.62 × 95
  4. Step 4: Simplify right side
    300.44x = 42,808.90
  5. Step 5: Solve for x
    x = 42,808.90/300.44
  6. Step 6: Final answer
    x = 142.49

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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.