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Finding the Fourth Proportional to 574.36, 792.62 and 325.73

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Solution

The fourth proportional to 574.36, 792.62 and 325.73 is: 449.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.36 : 792.62 = 325.73 : x
  2. Step 2: Convert to fraction form
    574.36/792.62 = 325.73/x
  3. Step 3: Cross multiply
    574.36x = 792.62 × 325.73
  4. Step 4: Simplify right side
    574.36x = 258,181.69
  5. Step 5: Solve for x
    x = 258,181.69/574.36
  6. Step 6: Final answer
    x = 449.51

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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.