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Finding the Fourth Proportional to 794.05, 1,190.46 and 755.01

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Solution

The fourth proportional to 794.05, 1,190.46 and 755.01 is: 1,131.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.05 : 1,190.46 = 755.01 : x
  2. Step 2: Convert to fraction form
    794.05/1,190.46 = 755.01/x
  3. Step 3: Cross multiply
    794.05x = 1,190.46 × 755.01
  4. Step 4: Simplify right side
    794.05x = 898,809.20
  5. Step 5: Solve for x
    x = 898,809.20/794.05
  6. Step 6: Final answer
    x = 1,131.93

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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.