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Finding the Fourth Proportional to 888,963.73, 1,226,760.60 and 481,056.64

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Solution

The fourth proportional to 888,963.73, 1,226,760.60 and 481,056.64 is: 663,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,963.73 : 1,226,760.60 = 481,056.64 : x
  2. Step 2: Convert to fraction form
    888,963.73/1,226,760.60 = 481,056.64/x
  3. Step 3: Cross multiply
    888,963.73x = 1,226,760.60 × 481,056.64
  4. Step 4: Simplify right side
    888,963.73x = 590,141,332,320.38
  5. Step 5: Solve for x
    x = 590,141,332,320.38/888,963.73
  6. Step 6: Final answer
    x = 663,853.10

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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.