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Finding the Fourth Proportional to 574.08, 792.17 and 352.99

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Solution

The fourth proportional to 574.08, 792.17 and 352.99 is: 487.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.08 : 792.17 = 352.99 : x
  2. Step 2: Convert to fraction form
    574.08/792.17 = 352.99/x
  3. Step 3: Cross multiply
    574.08x = 792.17 × 352.99
  4. Step 4: Simplify right side
    574.08x = 279,628.09
  5. Step 5: Solve for x
    x = 279,628.09/574.08
  6. Step 6: Final answer
    x = 487.09

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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.