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Finding the Fourth Proportional to 567,993.96, 851,990.67 and 168,634.53

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Solution

The fourth proportional to 567,993.96, 851,990.67 and 168,634.53 is: 252,951.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,993.96 : 851,990.67 = 168,634.53 : x
  2. Step 2: Convert to fraction form
    567,993.96/851,990.67 = 168,634.53/x
  3. Step 3: Cross multiply
    567,993.96x = 851,990.67 × 168,634.53
  4. Step 4: Simplify right side
    567,993.96x = 143,675,046,199.84
  5. Step 5: Solve for x
    x = 143,675,046,199.84/567,993.96
  6. Step 6: Final answer
    x = 252,951.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.