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Finding the Fourth Proportional to 574.19, 792.03 and 500.69

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Solution

The fourth proportional to 574.19, 792.03 and 500.69 is: 690.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.19 : 792.03 = 500.69 : x
  2. Step 2: Convert to fraction form
    574.19/792.03 = 500.69/x
  3. Step 3: Cross multiply
    574.19x = 792.03 × 500.69
  4. Step 4: Simplify right side
    574.19x = 396,555.04
  5. Step 5: Solve for x
    x = 396,555.04/574.19
  6. Step 6: Final answer
    x = 690.63

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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.