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Finding the Fourth Proportional to 322.26, 483.34 and 116.80

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Solution

The fourth proportional to 322.26, 483.34 and 116.80 is: 175.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.26 : 483.34 = 116.80 : x
  2. Step 2: Convert to fraction form
    322.26/483.34 = 116.80/x
  3. Step 3: Cross multiply
    322.26x = 483.34 × 116.80
  4. Step 4: Simplify right side
    322.26x = 56,454.11
  5. Step 5: Solve for x
    x = 56,454.11/322.26
  6. Step 6: Final answer
    x = 175.18

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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.