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Finding the Fourth Proportional to 227,546.60, 341,319.90 and 128,013.80

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Solution

The fourth proportional to 227,546.60, 341,319.90 and 128,013.80 is: 192,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,546.60 : 341,319.90 = 128,013.80 : x
  2. Step 2: Convert to fraction form
    227,546.60/341,319.90 = 128,013.80/x
  3. Step 3: Cross multiply
    227,546.60x = 341,319.90 × 128,013.80
  4. Step 4: Simplify right side
    227,546.60x = 43,693,657,414.62
  5. Step 5: Solve for x
    x = 43,693,657,414.62/227,546.60
  6. Step 6: Final answer
    x = 192,020.70

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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.