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Finding the Fourth Proportional to 574.60, 792.88 and 496.04

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Solution

The fourth proportional to 574.60, 792.88 and 496.04 is: 684.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.60 : 792.88 = 496.04 : x
  2. Step 2: Convert to fraction form
    574.60/792.88 = 496.04/x
  3. Step 3: Cross multiply
    574.60x = 792.88 × 496.04
  4. Step 4: Simplify right side
    574.60x = 393,300.20
  5. Step 5: Solve for x
    x = 393,300.20/574.60
  6. Step 6: Final answer
    x = 684.48

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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.