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Finding the Fourth Proportional to 795.64, 1,194.29 and 449.27

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Solution

The fourth proportional to 795.64, 1,194.29 and 449.27 is: 674.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.64 : 1,194.29 = 449.27 : x
  2. Step 2: Convert to fraction form
    795.64/1,194.29 = 449.27/x
  3. Step 3: Cross multiply
    795.64x = 1,194.29 × 449.27
  4. Step 4: Simplify right side
    795.64x = 536,556.42
  5. Step 5: Solve for x
    x = 536,556.42/795.64
  6. Step 6: Final answer
    x = 674.38

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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.