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Finding the Fourth Proportional to 519,418.46, 779,029.28 and 182,379.89

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Solution

The fourth proportional to 519,418.46, 779,029.28 and 182,379.89 is: 273,535.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,418.46 : 779,029.28 = 182,379.89 : x
  2. Step 2: Convert to fraction form
    519,418.46/779,029.28 = 182,379.89/x
  3. Step 3: Cross multiply
    519,418.46x = 779,029.28 × 182,379.89
  4. Step 4: Simplify right side
    519,418.46x = 142,079,276,112.78
  5. Step 5: Solve for x
    x = 142,079,276,112.78/519,418.46
  6. Step 6: Final answer
    x = 273,535.28

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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.