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Finding the Fourth Proportional to 576.42, 865.53 and 467.16

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Solution

The fourth proportional to 576.42, 865.53 and 467.16 is: 701.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.42 : 865.53 = 467.16 : x
  2. Step 2: Convert to fraction form
    576.42/865.53 = 467.16/x
  3. Step 3: Cross multiply
    576.42x = 865.53 × 467.16
  4. Step 4: Simplify right side
    576.42x = 404,340.99
  5. Step 5: Solve for x
    x = 404,340.99/576.42
  6. Step 6: Final answer
    x = 701.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.