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Finding the Fourth Proportional to 576.48, 795.51 and 327.86

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Solution

The fourth proportional to 576.48, 795.51 and 327.86 is: 452.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.48 : 795.51 = 327.86 : x
  2. Step 2: Convert to fraction form
    576.48/795.51 = 327.86/x
  3. Step 3: Cross multiply
    576.48x = 795.51 × 327.86
  4. Step 4: Simplify right side
    576.48x = 260,815.91
  5. Step 5: Solve for x
    x = 260,815.91/576.48
  6. Step 6: Final answer
    x = 452.43

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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.