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Finding the Fourth Proportional to 539,536.23, 809,129.13 and 179,610.39

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Solution

The fourth proportional to 539,536.23, 809,129.13 and 179,610.39 is: 269,357.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,536.23 : 809,129.13 = 179,610.39 : x
  2. Step 2: Convert to fraction form
    539,536.23/809,129.13 = 179,610.39/x
  3. Step 3: Cross multiply
    539,536.23x = 809,129.13 × 179,610.39
  4. Step 4: Simplify right side
    539,536.23x = 145,327,998,599.66
  5. Step 5: Solve for x
    x = 145,327,998,599.66/539,536.23
  6. Step 6: Final answer
    x = 269,357.26

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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.