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Finding the Fourth Proportional to 519,267.94, 778,930.26 and 164,255.56

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Solution

The fourth proportional to 519,267.94, 778,930.26 and 164,255.56 is: 246,392.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,267.94 : 778,930.26 = 164,255.56 : x
  2. Step 2: Convert to fraction form
    519,267.94/778,930.26 = 164,255.56/x
  3. Step 3: Cross multiply
    519,267.94x = 778,930.26 × 164,255.56
  4. Step 4: Simplify right side
    519,267.94x = 127,943,626,057.25
  5. Step 5: Solve for x
    x = 127,943,626,057.25/519,267.94
  6. Step 6: Final answer
    x = 246,392.31

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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.