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Finding the Fourth Proportional to 574.34, 792.60 and 341.60

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Solution

The fourth proportional to 574.34, 792.60 and 341.60 is: 471.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.34 : 792.60 = 341.60 : x
  2. Step 2: Convert to fraction form
    574.34/792.60 = 341.60/x
  3. Step 3: Cross multiply
    574.34x = 792.60 × 341.60
  4. Step 4: Simplify right side
    574.34x = 270,752.16
  5. Step 5: Solve for x
    x = 270,752.16/574.34
  6. Step 6: Final answer
    x = 471.41

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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.