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Finding the Fourth Proportional to 322.25, 483.46 and 116.85

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Solution

The fourth proportional to 322.25, 483.46 and 116.85 is: 175.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.25 : 483.46 = 116.85 : x
  2. Step 2: Convert to fraction form
    322.25/483.46 = 116.85/x
  3. Step 3: Cross multiply
    322.25x = 483.46 × 116.85
  4. Step 4: Simplify right side
    322.25x = 56,492.30
  5. Step 5: Solve for x
    x = 56,492.30/322.25
  6. Step 6: Final answer
    x = 175.31

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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.