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Finding the Fourth Proportional to 269,775.23, 404,662.70 and 80,234.82

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Solution

The fourth proportional to 269,775.23, 404,662.70 and 80,234.82 is: 120,352.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,775.23 : 404,662.70 = 80,234.82 : x
  2. Step 2: Convert to fraction form
    269,775.23/404,662.70 = 80,234.82/x
  3. Step 3: Cross multiply
    269,775.23x = 404,662.70 × 80,234.82
  4. Step 4: Simplify right side
    269,775.23x = 32,468,039,095.80
  5. Step 5: Solve for x
    x = 32,468,039,095.80/269,775.23
  6. Step 6: Final answer
    x = 120,352.19

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1.5x scale

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.