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Finding the Fourth Proportional to 574.76, 792.58 and 516.52

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Solution

The fourth proportional to 574.76, 792.58 and 516.52 is: 712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.76 : 792.58 = 516.52 : x
  2. Step 2: Convert to fraction form
    574.76/792.58 = 516.52/x
  3. Step 3: Cross multiply
    574.76x = 792.58 × 516.52
  4. Step 4: Simplify right side
    574.76x = 409,383.42
  5. Step 5: Solve for x
    x = 409,383.42/574.76
  6. Step 6: Final answer
    x = 712.27

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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.