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Finding the Fourth Proportional to 358.97, 537.44 and 282.29

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Solution

The fourth proportional to 358.97, 537.44 and 282.29 is: 422.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.97 : 537.44 = 282.29 : x
  2. Step 2: Convert to fraction form
    358.97/537.44 = 282.29/x
  3. Step 3: Cross multiply
    358.97x = 537.44 × 282.29
  4. Step 4: Simplify right side
    358.97x = 151,709.84
  5. Step 5: Solve for x
    x = 151,709.84/358.97
  6. Step 6: Final answer
    x = 422.63

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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.