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Finding the Fourth Proportional to 422,135.37, 633,267.86 and 169,415.37

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Solution

The fourth proportional to 422,135.37, 633,267.86 and 169,415.37 is: 254,149.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,135.37 : 633,267.86 = 169,415.37 : x
  2. Step 2: Convert to fraction form
    422,135.37/633,267.86 = 169,415.37/x
  3. Step 3: Cross multiply
    422,135.37x = 633,267.86 × 169,415.37
  4. Step 4: Simplify right side
    422,135.37x = 107,285,307,963.93
  5. Step 5: Solve for x
    x = 107,285,307,963.93/422,135.37
  6. Step 6: Final answer
    x = 254,149.06

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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.