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Finding the Fourth Proportional to 794.26, 1,096.06 and 445.02

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Solution

The fourth proportional to 794.26, 1,096.06 and 445.02 is: 614.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.26 : 1,096.06 = 445.02 : x
  2. Step 2: Convert to fraction form
    794.26/1,096.06 = 445.02/x
  3. Step 3: Cross multiply
    794.26x = 1,096.06 × 445.02
  4. Step 4: Simplify right side
    794.26x = 487,768.62
  5. Step 5: Solve for x
    x = 487,768.62/794.26
  6. Step 6: Final answer
    x = 614.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.