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Finding the Fourth Proportional to 794.22, 1,189.67 and 504.22

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Solution

The fourth proportional to 794.22, 1,189.67 and 504.22 is: 755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.22 : 1,189.67 = 504.22 : x
  2. Step 2: Convert to fraction form
    794.22/1,189.67 = 504.22/x
  3. Step 3: Cross multiply
    794.22x = 1,189.67 × 504.22
  4. Step 4: Simplify right side
    794.22x = 599,855.41
  5. Step 5: Solve for x
    x = 599,855.41/794.22
  6. Step 6: Final answer
    x = 755.28

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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.