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Finding the Fourth Proportional to 519,356.22, 779,120.46 and 182,309.46

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Solution

The fourth proportional to 519,356.22, 779,120.46 and 182,309.46 is: 273,494.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,356.22 : 779,120.46 = 182,309.46 : x
  2. Step 2: Convert to fraction form
    519,356.22/779,120.46 = 182,309.46/x
  3. Step 3: Cross multiply
    519,356.22x = 779,120.46 × 182,309.46
  4. Step 4: Simplify right side
    519,356.22x = 142,041,030,337.55
  5. Step 5: Solve for x
    x = 142,041,030,337.55/519,356.22
  6. Step 6: Final answer
    x = 273,494.42

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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.