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Finding the Fourth Proportional to 1,194.66, 1,791.42 and 443.92

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Solution

The fourth proportional to 1,194.66, 1,791.42 and 443.92 is: 665.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.66 : 1,791.42 = 443.92 : x
  2. Step 2: Convert to fraction form
    1,194.66/1,791.42 = 443.92/x
  3. Step 3: Cross multiply
    1,194.66x = 1,791.42 × 443.92
  4. Step 4: Simplify right side
    1,194.66x = 795,247.17
  5. Step 5: Solve for x
    x = 795,247.17/1,194.66
  6. Step 6: Final answer
    x = 665.67

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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.