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Finding the Fourth Proportional to 483,871.17, 667,668.98 and 277,107.43

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Solution

The fourth proportional to 483,871.17, 667,668.98 and 277,107.43 is: 382,366.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,871.17 : 667,668.98 = 277,107.43 : x
  2. Step 2: Convert to fraction form
    483,871.17/667,668.98 = 277,107.43/x
  3. Step 3: Cross multiply
    483,871.17x = 667,668.98 × 277,107.43
  4. Step 4: Simplify right side
    483,871.17x = 185,016,033,855.27
  5. Step 5: Solve for x
    x = 185,016,033,855.27/483,871.17
  6. Step 6: Final answer
    x = 382,366.31

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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.