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Finding the Fourth Proportional to 322.84, 483.31 and 200.73

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Solution

The fourth proportional to 322.84, 483.31 and 200.73 is: 300.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.84 : 483.31 = 200.73 : x
  2. Step 2: Convert to fraction form
    322.84/483.31 = 200.73/x
  3. Step 3: Cross multiply
    322.84x = 483.31 × 200.73
  4. Step 4: Simplify right side
    322.84x = 97,014.31
  5. Step 5: Solve for x
    x = 97,014.31/322.84
  6. Step 6: Final answer
    x = 300.51

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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.