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Finding the Fourth Proportional to 483,933.92, 667,820.16 and 269,069.27

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Solution

The fourth proportional to 483,933.92, 667,820.16 and 269,069.27 is: 371,310.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,933.92 : 667,820.16 = 269,069.27 : x
  2. Step 2: Convert to fraction form
    483,933.92/667,820.16 = 269,069.27/x
  3. Step 3: Cross multiply
    483,933.92x = 667,820.16 × 269,069.27
  4. Step 4: Simplify right side
    483,933.92x = 179,689,879,603.38
  5. Step 5: Solve for x
    x = 179,689,879,603.38/483,933.92
  6. Step 6: Final answer
    x = 371,310.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.