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Finding the Fourth Proportional to 574.88, 793.32 and 326.17

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Solution

The fourth proportional to 574.88, 793.32 and 326.17 is: 450.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.88 : 793.32 = 326.17 : x
  2. Step 2: Convert to fraction form
    574.88/793.32 = 326.17/x
  3. Step 3: Cross multiply
    574.88x = 793.32 × 326.17
  4. Step 4: Simplify right side
    574.88x = 258,753.98
  5. Step 5: Solve for x
    x = 258,753.98/574.88
  6. Step 6: Final answer
    x = 450.10

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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.