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Finding the Fourth Proportional to 795.99, 1,194.96 and 449.57

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Solution

The fourth proportional to 795.99, 1,194.96 and 449.57 is: 674.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.99 : 1,194.96 = 449.57 : x
  2. Step 2: Convert to fraction form
    795.99/1,194.96 = 449.57/x
  3. Step 3: Cross multiply
    795.99x = 1,194.96 × 449.57
  4. Step 4: Simplify right side
    795.99x = 537,221.13
  5. Step 5: Solve for x
    x = 537,221.13/795.99
  6. Step 6: Final answer
    x = 674.91

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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.