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Finding the Fourth Proportional to 269,433.38, 404,218.71 and 79,900.67

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Solution

The fourth proportional to 269,433.38, 404,218.71 and 79,900.67 is: 119,871.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,433.38 : 404,218.71 = 79,900.67 : x
  2. Step 2: Convert to fraction form
    269,433.38/404,218.71 = 79,900.67/x
  3. Step 3: Cross multiply
    269,433.38x = 404,218.71 × 79,900.67
  4. Step 4: Simplify right side
    269,433.38x = 32,297,345,755.54
  5. Step 5: Solve for x
    x = 32,297,345,755.54/269,433.38
  6. Step 6: Final answer
    x = 119,871.36

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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.