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Finding the Fourth Proportional to 447,685.48, 617,787.30 and 246,468.52

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Solution

The fourth proportional to 447,685.48, 617,787.30 and 246,468.52 is: 340,116.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,685.48 : 617,787.30 = 246,468.52 : x
  2. Step 2: Convert to fraction form
    447,685.48/617,787.30 = 246,468.52/x
  3. Step 3: Cross multiply
    447,685.48x = 617,787.30 × 246,468.52
  4. Step 4: Simplify right side
    447,685.48x = 152,265,121,505.80
  5. Step 5: Solve for x
    x = 152,265,121,505.80/447,685.48
  6. Step 6: Final answer
    x = 340,116.28

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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.