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Finding the Fourth Proportional to 574.37, 792.66 and 353.25

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Solution

The fourth proportional to 574.37, 792.66 and 353.25 is: 487.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.37 : 792.66 = 353.25 : x
  2. Step 2: Convert to fraction form
    574.37/792.66 = 353.25/x
  3. Step 3: Cross multiply
    574.37x = 792.66 × 353.25
  4. Step 4: Simplify right side
    574.37x = 280,007.15
  5. Step 5: Solve for x
    x = 280,007.15/574.37
  6. Step 6: Final answer
    x = 487.51

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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.