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Finding the Fourth Proportional to 662.46, 993.69 and 175.56

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Solution

The fourth proportional to 662.46, 993.69 and 175.56 is: 263.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    662.46 : 993.69 = 175.56 : x
  2. Step 2: Convert to fraction form
    662.46/993.69 = 175.56/x
  3. Step 3: Cross multiply
    662.46x = 993.69 × 175.56
  4. Step 4: Simplify right side
    662.46x = 174,452.22
  5. Step 5: Solve for x
    x = 174,452.22/662.46
  6. Step 6: Final answer
    x = 263.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.