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Finding the Fourth Proportional to 574.27, 792.09 and 352.93

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Solution

The fourth proportional to 574.27, 792.09 and 352.93 is: 486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.27 : 792.09 = 352.93 : x
  2. Step 2: Convert to fraction form
    574.27/792.09 = 352.93/x
  3. Step 3: Cross multiply
    574.27x = 792.09 × 352.93
  4. Step 4: Simplify right side
    574.27x = 279,552.32
  5. Step 5: Solve for x
    x = 279,552.32/574.27
  6. Step 6: Final answer
    x = 486.80

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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.