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Finding the Fourth Proportional to 441.34, 662 and 116.72

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Solution

The fourth proportional to 441.34, 662 and 116.72 is: 175.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.34 : 662 = 116.72 : x
  2. Step 2: Convert to fraction form
    441.34/662 = 116.72/x
  3. Step 3: Cross multiply
    441.34x = 662 × 116.72
  4. Step 4: Simplify right side
    441.34x = 77,268.64
  5. Step 5: Solve for x
    x = 77,268.64/441.34
  6. Step 6: Final answer
    x = 175.08

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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.