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Finding the Fourth Proportional to 322.25, 483.57 and 168.14

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Solution

The fourth proportional to 322.25, 483.57 and 168.14 is: 252.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.25 : 483.57 = 168.14 : x
  2. Step 2: Convert to fraction form
    322.25/483.57 = 168.14/x
  3. Step 3: Cross multiply
    322.25x = 483.57 × 168.14
  4. Step 4: Simplify right side
    322.25x = 81,308.67
  5. Step 5: Solve for x
    x = 81,308.67/322.25
  6. Step 6: Final answer
    x = 252.32

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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.