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Finding the Fourth Proportional to 299.91, 449.28 and 184.01

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Solution

The fourth proportional to 299.91, 449.28 and 184.01 is: 275.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.91 : 449.28 = 184.01 : x
  2. Step 2: Convert to fraction form
    299.91/449.28 = 184.01/x
  3. Step 3: Cross multiply
    299.91x = 449.28 × 184.01
  4. Step 4: Simplify right side
    299.91x = 82,672.29
  5. Step 5: Solve for x
    x = 82,672.29/299.91
  6. Step 6: Final answer
    x = 275.66

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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.