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Finding the Fourth Proportional to 299.02, 448.46 and 162

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Solution

The fourth proportional to 299.02, 448.46 and 162 is: 242.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.02 : 448.46 = 162 : x
  2. Step 2: Convert to fraction form
    299.02/448.46 = 162/x
  3. Step 3: Cross multiply
    299.02x = 448.46 × 162
  4. Step 4: Simplify right side
    299.02x = 72,650.52
  5. Step 5: Solve for x
    x = 72,650.52/299.02
  6. Step 6: Final answer
    x = 242.96

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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.