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Finding the Fourth Proportional to 794.41, 1,192.73 and 629.98

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Solution

The fourth proportional to 794.41, 1,192.73 and 629.98 is: 945.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.41 : 1,192.73 = 629.98 : x
  2. Step 2: Convert to fraction form
    794.41/1,192.73 = 629.98/x
  3. Step 3: Cross multiply
    794.41x = 1,192.73 × 629.98
  4. Step 4: Simplify right side
    794.41x = 751,389.91
  5. Step 5: Solve for x
    x = 751,389.91/794.41
  6. Step 6: Final answer
    x = 945.85

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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.