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Finding the Fourth Proportional to 447,353.25, 617,347.49 and 246,149.25

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Solution

The fourth proportional to 447,353.25, 617,347.49 and 246,149.25 is: 339,685.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,353.25 : 617,347.49 = 246,149.25 : x
  2. Step 2: Convert to fraction form
    447,353.25/617,347.49 = 246,149.25/x
  3. Step 3: Cross multiply
    447,353.25x = 617,347.49 × 246,149.25
  4. Step 4: Simplify right side
    447,353.25x = 151,959,620,422.14
  5. Step 5: Solve for x
    x = 151,959,620,422.14/447,353.25
  6. Step 6: Final answer
    x = 339,685.97

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1.5x scale

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.