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Finding the Fourth Proportional to 574.15, 792.28 and 341.27

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Solution

The fourth proportional to 574.15, 792.28 and 341.27 is: 470.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.15 : 792.28 = 341.27 : x
  2. Step 2: Convert to fraction form
    574.15/792.28 = 341.27/x
  3. Step 3: Cross multiply
    574.15x = 792.28 × 341.27
  4. Step 4: Simplify right side
    574.15x = 270,381.40
  5. Step 5: Solve for x
    x = 270,381.40/574.15
  6. Step 6: Final answer
    x = 470.92

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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.