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Finding the Fourth Proportional to 576.36, 796.14 and 518.04

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Solution

The fourth proportional to 576.36, 796.14 and 518.04 is: 715.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.36 : 796.14 = 518.04 : x
  2. Step 2: Convert to fraction form
    576.36/796.14 = 518.04/x
  3. Step 3: Cross multiply
    576.36x = 796.14 × 518.04
  4. Step 4: Simplify right side
    576.36x = 412,432.37
  5. Step 5: Solve for x
    x = 412,432.37/576.36
  6. Step 6: Final answer
    x = 715.58

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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.