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Finding the Fourth Proportional to 338,640.20, 467,344.44 and 187,737.20

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Solution

The fourth proportional to 338,640.20, 467,344.44 and 187,737.20 is: 259,088.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,640.20 : 467,344.44 = 187,737.20 : x
  2. Step 2: Convert to fraction form
    338,640.20/467,344.44 = 187,737.20/x
  3. Step 3: Cross multiply
    338,640.20x = 467,344.44 × 187,737.20
  4. Step 4: Simplify right side
    338,640.20x = 87,737,936,601.17
  5. Step 5: Solve for x
    x = 87,737,936,601.17/338,640.20
  6. Step 6: Final answer
    x = 259,088.96

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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.