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Finding the Fourth Proportional to 519,238.44, 778,863.90 and 182,287.56

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Solution

The fourth proportional to 519,238.44, 778,863.90 and 182,287.56 is: 273,433.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,238.44 : 778,863.90 = 182,287.56 : x
  2. Step 2: Convert to fraction form
    519,238.44/778,863.90 = 182,287.56/x
  3. Step 3: Cross multiply
    519,238.44x = 778,863.90 × 182,287.56
  4. Step 4: Simplify right side
    519,238.44x = 141,977,199,903.08
  5. Step 5: Solve for x
    x = 141,977,199,903.08/519,238.44
  6. Step 6: Final answer
    x = 273,433.53

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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.