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Finding the Fourth Proportional to 447,630.94, 617,694.15 and 246,426.94

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Solution

The fourth proportional to 447,630.94, 617,694.15 and 246,426.94 is: 340,049.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,630.94 : 617,694.15 = 246,426.94 : x
  2. Step 2: Convert to fraction form
    447,630.94/617,694.15 = 246,426.94/x
  3. Step 3: Cross multiply
    447,630.94x = 617,694.15 × 246,426.94
  4. Step 4: Simplify right side
    447,630.94x = 152,216,479,240.40
  5. Step 5: Solve for x
    x = 152,216,479,240.40/447,630.94
  6. Step 6: Final answer
    x = 340,049.06

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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.