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Finding the Fourth Proportional to 441.94, 662.86 and 117.33

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Solution

The fourth proportional to 441.94, 662.86 and 117.33 is: 175.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.94 : 662.86 = 117.33 : x
  2. Step 2: Convert to fraction form
    441.94/662.86 = 117.33/x
  3. Step 3: Cross multiply
    441.94x = 662.86 × 117.33
  4. Step 4: Simplify right side
    441.94x = 77,774.42
  5. Step 5: Solve for x
    x = 77,774.42/441.94
  6. Step 6: Final answer
    x = 175.98

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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.