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Finding the Fourth Proportional to 441.57, 662.37 and 116.94

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Solution

The fourth proportional to 441.57, 662.37 and 116.94 is: 175.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.57 : 662.37 = 116.94 : x
  2. Step 2: Convert to fraction form
    441.57/662.37 = 116.94/x
  3. Step 3: Cross multiply
    441.57x = 662.37 × 116.94
  4. Step 4: Simplify right side
    441.57x = 77,457.55
  5. Step 5: Solve for x
    x = 77,457.55/441.57
  6. Step 6: Final answer
    x = 175.41

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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.