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Finding the Fourth Proportional to 888,906.76, 1,226,694.58 and 481,008.60

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Solution

The fourth proportional to 888,906.76, 1,226,694.58 and 481,008.60 is: 663,793.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,906.76 : 1,226,694.58 = 481,008.60 : x
  2. Step 2: Convert to fraction form
    888,906.76/1,226,694.58 = 481,008.60/x
  3. Step 3: Cross multiply
    888,906.76x = 1,226,694.58 × 481,008.60
  4. Step 4: Simplify right side
    888,906.76x = 590,050,642,553.39
  5. Step 5: Solve for x
    x = 590,050,642,553.39/888,906.76
  6. Step 6: Final answer
    x = 663,793.63

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Double scale
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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.