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Finding the Fourth Proportional to 576, 795.12 and 351.96

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Solution

The fourth proportional to 576, 795.12 and 351.96 is: 485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    576 : 795.12 = 351.96 : x
  2. Step 2: Convert to fraction form
    576/795.12 = 351.96/x
  3. Step 3: Cross multiply
    576x = 795.12 × 351.96
  4. Step 4: Simplify right side
    576x = 279,850.44
  5. Step 5: Solve for x
    x = 279,850.44/576
  6. Step 6: Final answer
    x = 485.85

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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.