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Finding the Fourth Proportional to 576.82, 795.93 and 328.16

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Solution

The fourth proportional to 576.82, 795.93 and 328.16 is: 452.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.82 : 795.93 = 328.16 : x
  2. Step 2: Convert to fraction form
    576.82/795.93 = 328.16/x
  3. Step 3: Cross multiply
    576.82x = 795.93 × 328.16
  4. Step 4: Simplify right side
    576.82x = 261,195.65
  5. Step 5: Solve for x
    x = 261,195.65/576.82
  6. Step 6: Final answer
    x = 452.82

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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.