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Finding the Fourth Proportional to 605.92, 836.76 and 518.08

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Solution

The fourth proportional to 605.92, 836.76 and 518.08 is: 715.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.92 : 836.76 = 518.08 : x
  2. Step 2: Convert to fraction form
    605.92/836.76 = 518.08/x
  3. Step 3: Cross multiply
    605.92x = 836.76 × 518.08
  4. Step 4: Simplify right side
    605.92x = 433,508.62
  5. Step 5: Solve for x
    x = 433,508.62/605.92
  6. Step 6: Final answer
    x = 715.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.