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Finding the Fourth Proportional to 322.18, 483.37 and 236.62

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Solution

The fourth proportional to 322.18, 483.37 and 236.62 is: 355.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.18 : 483.37 = 236.62 : x
  2. Step 2: Convert to fraction form
    322.18/483.37 = 236.62/x
  3. Step 3: Cross multiply
    322.18x = 483.37 × 236.62
  4. Step 4: Simplify right side
    322.18x = 114,375.02
  5. Step 5: Solve for x
    x = 114,375.02/322.18
  6. Step 6: Final answer
    x = 355.01

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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.