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Finding the Fourth Proportional to 299.94, 450 and 202.83

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Solution

The fourth proportional to 299.94, 450 and 202.83 is: 304.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.94 : 450 = 202.83 : x
  2. Step 2: Convert to fraction form
    299.94/450 = 202.83/x
  3. Step 3: Cross multiply
    299.94x = 450 × 202.83
  4. Step 4: Simplify right side
    299.94x = 91,273.50
  5. Step 5: Solve for x
    x = 91,273.50/299.94
  6. Step 6: Final answer
    x = 304.31

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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.