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Finding the Fourth Proportional to 574.17, 792.75 and 353.37

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Solution

The fourth proportional to 574.17, 792.75 and 353.37 is: 487.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.17 : 792.75 = 353.37 : x
  2. Step 2: Convert to fraction form
    574.17/792.75 = 353.37/x
  3. Step 3: Cross multiply
    574.17x = 792.75 × 353.37
  4. Step 4: Simplify right side
    574.17x = 280,134.07
  5. Step 5: Solve for x
    x = 280,134.07/574.17
  6. Step 6: Final answer
    x = 487.89

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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.