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Finding the Fourth Proportional to 447,426.28, 617,448.37 and 246,222.28

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Solution

The fourth proportional to 447,426.28, 617,448.37 and 246,222.28 is: 339,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,426.28 : 617,448.37 = 246,222.28 : x
  2. Step 2: Convert to fraction form
    447,426.28/617,448.37 = 246,222.28/x
  3. Step 3: Cross multiply
    447,426.28x = 617,448.37 × 246,222.28
  4. Step 4: Simplify right side
    447,426.28x = 152,029,546,061.61
  5. Step 5: Solve for x
    x = 152,029,546,061.61/447,426.28
  6. Step 6: Final answer
    x = 339,786.80

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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.