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Finding the Fourth Proportional to 263,625.95, 396,069.78 and 169,041.44

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Solution

The fourth proportional to 263,625.95, 396,069.78 and 169,041.44 is: 253,966.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,625.95 : 396,069.78 = 169,041.44 : x
  2. Step 2: Convert to fraction form
    263,625.95/396,069.78 = 169,041.44/x
  3. Step 3: Cross multiply
    263,625.95x = 396,069.78 × 169,041.44
  4. Step 4: Simplify right side
    263,625.95x = 66,952,207,014.34
  5. Step 5: Solve for x
    x = 66,952,207,014.34/263,625.95
  6. Step 6: Final answer
    x = 253,966.68

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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.