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Finding the Fourth Proportional to 574.06, 792.25 and 353.08

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Solution

The fourth proportional to 574.06, 792.25 and 353.08 is: 487.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.06 : 792.25 = 353.08 : x
  2. Step 2: Convert to fraction form
    574.06/792.25 = 353.08/x
  3. Step 3: Cross multiply
    574.06x = 792.25 × 353.08
  4. Step 4: Simplify right side
    574.06x = 279,727.63
  5. Step 5: Solve for x
    x = 279,727.63/574.06
  6. Step 6: Final answer
    x = 487.28

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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.