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Finding the Fourth Proportional to 481,787.75, 722,747.97 and 161,964.43

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Solution

The fourth proportional to 481,787.75, 722,747.97 and 161,964.43 is: 242,968.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,787.75 : 722,747.97 = 161,964.43 : x
  2. Step 2: Convert to fraction form
    481,787.75/722,747.97 = 161,964.43/x
  3. Step 3: Cross multiply
    481,787.75x = 722,747.97 × 161,964.43
  4. Step 4: Simplify right side
    481,787.75x = 117,059,461,187.84
  5. Step 5: Solve for x
    x = 117,059,461,187.84/481,787.75
  6. Step 6: Final answer
    x = 242,968.94

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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.