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Finding the Fourth Proportional to 300.93, 451.08 and 249.27

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Solution

The fourth proportional to 300.93, 451.08 and 249.27 is: 373.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.93 : 451.08 = 249.27 : x
  2. Step 2: Convert to fraction form
    300.93/451.08 = 249.27/x
  3. Step 3: Cross multiply
    300.93x = 451.08 × 249.27
  4. Step 4: Simplify right side
    300.93x = 112,440.71
  5. Step 5: Solve for x
    x = 112,440.71/300.93
  6. Step 6: Final answer
    x = 373.64

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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.