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Finding the Fourth Proportional to 479,455.73, 718,996.62 and 179,773.01

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Solution

The fourth proportional to 479,455.73, 718,996.62 and 179,773.01 is: 269,589.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,455.73 : 718,996.62 = 179,773.01 : x
  2. Step 2: Convert to fraction form
    479,455.73/718,996.62 = 179,773.01/x
  3. Step 3: Cross multiply
    479,455.73x = 718,996.62 × 179,773.01
  4. Step 4: Simplify right side
    479,455.73x = 129,256,189,028.87
  5. Step 5: Solve for x
    x = 129,256,189,028.87/479,455.73
  6. Step 6: Final answer
    x = 269,589.41

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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.