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Finding the Fourth Proportional to 793.88, 1,094.52 and 614.60

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Solution

The fourth proportional to 793.88, 1,094.52 and 614.60 is: 847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.88 : 1,094.52 = 614.60 : x
  2. Step 2: Convert to fraction form
    793.88/1,094.52 = 614.60/x
  3. Step 3: Cross multiply
    793.88x = 1,094.52 × 614.60
  4. Step 4: Simplify right side
    793.88x = 672,691.99
  5. Step 5: Solve for x
    x = 672,691.99/793.88
  6. Step 6: Final answer
    x = 847.35

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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.