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Finding the Fourth Proportional to 447,685.64, 617,805.04 and 246,481.64

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Solution

The fourth proportional to 447,685.64, 617,805.04 and 246,481.64 is: 340,144.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,685.64 : 617,805.04 = 246,481.64 : x
  2. Step 2: Convert to fraction form
    447,685.64/617,805.04 = 246,481.64/x
  3. Step 3: Cross multiply
    447,685.64x = 617,805.04 × 246,481.64
  4. Step 4: Simplify right side
    447,685.64x = 152,277,599,459.47
  5. Step 5: Solve for x
    x = 152,277,599,459.47/447,685.64
  6. Step 6: Final answer
    x = 340,144.03

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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.