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Finding the Fourth Proportional to 793.10, 1,094.37 and 461.45

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Solution

The fourth proportional to 793.10, 1,094.37 and 461.45 is: 636.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.10 : 1,094.37 = 461.45 : x
  2. Step 2: Convert to fraction form
    793.10/1,094.37 = 461.45/x
  3. Step 3: Cross multiply
    793.10x = 1,094.37 × 461.45
  4. Step 4: Simplify right side
    793.10x = 504,991.56
  5. Step 5: Solve for x
    x = 504,991.56/793.10
  6. Step 6: Final answer
    x = 636.74

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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.