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Finding the Fourth Proportional to 799.24, 1,103.13 and 467.73

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Solution

The fourth proportional to 799.24, 1,103.13 and 467.73 is: 645.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    799.24 : 1,103.13 = 467.73 : x
  2. Step 2: Convert to fraction form
    799.24/1,103.13 = 467.73/x
  3. Step 3: Cross multiply
    799.24x = 1,103.13 × 467.73
  4. Step 4: Simplify right side
    799.24x = 515,966.99
  5. Step 5: Solve for x
    x = 515,966.99/799.24
  6. Step 6: Final answer
    x = 645.57

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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.