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Finding the Fourth Proportional to 479,067.26, 718,572.53 and 179,522.78

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Solution

The fourth proportional to 479,067.26, 718,572.53 and 179,522.78 is: 269,273.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,067.26 : 718,572.53 = 179,522.78 : x
  2. Step 2: Convert to fraction form
    479,067.26/718,572.53 = 179,522.78/x
  3. Step 3: Cross multiply
    479,067.26x = 718,572.53 × 179,522.78
  4. Step 4: Simplify right side
    479,067.26x = 129,000,133,726.76
  5. Step 5: Solve for x
    x = 129,000,133,726.76/479,067.26
  6. Step 6: Final answer
    x = 269,273.54

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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.