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Finding the Fourth Proportional to 788.96, 1,183.50 and 241.10

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Solution

The fourth proportional to 788.96, 1,183.50 and 241.10 is: 361.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    788.96 : 1,183.50 = 241.10 : x
  2. Step 2: Convert to fraction form
    788.96/1,183.50 = 241.10/x
  3. Step 3: Cross multiply
    788.96x = 1,183.50 × 241.10
  4. Step 4: Simplify right side
    788.96x = 285,340.64
  5. Step 5: Solve for x
    x = 285,340.64/788.96
  6. Step 6: Final answer
    x = 361.67

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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.