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Finding the Fourth Proportional to 447,227.20, 670,711.20 and 162,884.80

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Solution

The fourth proportional to 447,227.20, 670,711.20 and 162,884.80 is: 244,280.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,227.20 : 670,711.20 = 162,884.80 : x
  2. Step 2: Convert to fraction form
    447,227.20/670,711.20 = 162,884.80/x
  3. Step 3: Cross multiply
    447,227.20x = 670,711.20 × 162,884.80
  4. Step 4: Simplify right side
    447,227.20x = 109,248,659,669.76
  5. Step 5: Solve for x
    x = 109,248,659,669.76/447,227.20
  6. Step 6: Final answer
    x = 244,280.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.