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Finding the Fourth Proportional to 496.52, 683.97 and 425.42

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Solution

The fourth proportional to 496.52, 683.97 and 425.42 is: 586.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.52 : 683.97 = 425.42 : x
  2. Step 2: Convert to fraction form
    496.52/683.97 = 425.42/x
  3. Step 3: Cross multiply
    496.52x = 683.97 × 425.42
  4. Step 4: Simplify right side
    496.52x = 290,971.10
  5. Step 5: Solve for x
    x = 290,971.10/496.52
  6. Step 6: Final answer
    x = 586.03

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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.