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Finding the Fourth Proportional to 200.94, 300.69 and 200.46

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Solution

The fourth proportional to 200.94, 300.69 and 200.46 is: 299.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.94 : 300.69 = 200.46 : x
  2. Step 2: Convert to fraction form
    200.94/300.69 = 200.46/x
  3. Step 3: Cross multiply
    200.94x = 300.69 × 200.46
  4. Step 4: Simplify right side
    200.94x = 60,276.32
  5. Step 5: Solve for x
    x = 60,276.32/200.94
  6. Step 6: Final answer
    x = 299.97

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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.