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Finding the Fourth Proportional to 447,687.23, 617,789.71 and 246,470.27

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Solution

The fourth proportional to 447,687.23, 617,789.71 and 246,470.27 is: 340,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,687.23 : 617,789.71 = 246,470.27 : x
  2. Step 2: Convert to fraction form
    447,687.23/617,789.71 = 246,470.27/x
  3. Step 3: Cross multiply
    447,687.23x = 617,789.71 × 246,470.27
  4. Step 4: Simplify right side
    447,687.23x = 152,266,796,626.92
  5. Step 5: Solve for x
    x = 152,266,796,626.92/447,687.23
  6. Step 6: Final answer
    x = 340,118.70

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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.