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Finding the Fourth Proportional to 576.01, 794.81 and 323.89

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Solution

The fourth proportional to 576.01, 794.81 and 323.89 is: 446.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.01 : 794.81 = 323.89 : x
  2. Step 2: Convert to fraction form
    576.01/794.81 = 323.89/x
  3. Step 3: Cross multiply
    576.01x = 794.81 × 323.89
  4. Step 4: Simplify right side
    576.01x = 257,429.39
  5. Step 5: Solve for x
    x = 257,429.39/576.01
  6. Step 6: Final answer
    x = 446.92

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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.