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Finding the Fourth Proportional to 576.10, 794.79 and 323.97

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Solution

The fourth proportional to 576.10, 794.79 and 323.97 is: 446.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.10 : 794.79 = 323.97 : x
  2. Step 2: Convert to fraction form
    576.10/794.79 = 323.97/x
  3. Step 3: Cross multiply
    576.10x = 794.79 × 323.97
  4. Step 4: Simplify right side
    576.10x = 257,484.22
  5. Step 5: Solve for x
    x = 257,484.22/576.10
  6. Step 6: Final answer
    x = 446.95

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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.