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Finding the Fourth Proportional to 447,685.23, 617,786.96 and 246,468.27

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Solution

The fourth proportional to 447,685.23, 617,786.96 and 246,468.27 is: 340,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,685.23 : 617,786.96 = 246,468.27 : x
  2. Step 2: Convert to fraction form
    447,685.23/617,786.96 = 246,468.27/x
  3. Step 3: Cross multiply
    447,685.23x = 617,786.96 × 246,468.27
  4. Step 4: Simplify right side
    447,685.23x = 152,264,882,027.42
  5. Step 5: Solve for x
    x = 152,264,882,027.42/447,685.23
  6. Step 6: Final answer
    x = 340,115.94

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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.