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Finding the Fourth Proportional to 576.26, 793.62 and 574.46

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Solution

The fourth proportional to 576.26, 793.62 and 574.46 is: 791.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.26 : 793.62 = 574.46 : x
  2. Step 2: Convert to fraction form
    576.26/793.62 = 574.46/x
  3. Step 3: Cross multiply
    576.26x = 793.62 × 574.46
  4. Step 4: Simplify right side
    576.26x = 455,902.95
  5. Step 5: Solve for x
    x = 455,902.95/576.26
  6. Step 6: Final answer
    x = 791.14

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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.