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Finding the Fourth Proportional to 481,853.60, 664,957.32 and 267,007.58

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Solution

The fourth proportional to 481,853.60, 664,957.32 and 267,007.58 is: 368,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,853.60 : 664,957.32 = 267,007.58 : x
  2. Step 2: Convert to fraction form
    481,853.60/664,957.32 = 267,007.58/x
  3. Step 3: Cross multiply
    481,853.60x = 664,957.32 × 267,007.58
  4. Step 4: Simplify right side
    481,853.60x = 177,548,644,816.49
  5. Step 5: Solve for x
    x = 177,548,644,816.49/481,853.60
  6. Step 6: Final answer
    x = 368,470.10

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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.