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Finding the Fourth Proportional to 341,463.22, 512,250.41 and 128,247.73

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Solution

The fourth proportional to 341,463.22, 512,250.41 and 128,247.73 is: 192,392.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,463.22 : 512,250.41 = 128,247.73 : x
  2. Step 2: Convert to fraction form
    341,463.22/512,250.41 = 128,247.73/x
  3. Step 3: Cross multiply
    341,463.22x = 512,250.41 × 128,247.73
  4. Step 4: Simplify right side
    341,463.22x = 65,694,951,314.06
  5. Step 5: Solve for x
    x = 65,694,951,314.06/341,463.22
  6. Step 6: Final answer
    x = 192,392.47

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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.