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Finding the Fourth Proportional to 574.76, 793.13 and 326.03

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Solution

The fourth proportional to 574.76, 793.13 and 326.03 is: 449.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.76 : 793.13 = 326.03 : x
  2. Step 2: Convert to fraction form
    574.76/793.13 = 326.03/x
  3. Step 3: Cross multiply
    574.76x = 793.13 × 326.03
  4. Step 4: Simplify right side
    574.76x = 258,578.58
  5. Step 5: Solve for x
    x = 258,578.58/574.76
  6. Step 6: Final answer
    x = 449.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.