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Finding the Fourth Proportional to 300.97, 451.68 and 176.02

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Solution

The fourth proportional to 300.97, 451.68 and 176.02 is: 264.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.97 : 451.68 = 176.02 : x
  2. Step 2: Convert to fraction form
    300.97/451.68 = 176.02/x
  3. Step 3: Cross multiply
    300.97x = 451.68 × 176.02
  4. Step 4: Simplify right side
    300.97x = 79,504.71
  5. Step 5: Solve for x
    x = 79,504.71/300.97
  6. Step 6: Final answer
    x = 264.16

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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.