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Finding the Fourth Proportional to 447,951.57, 618,173.19 and 246,747.57

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Solution

The fourth proportional to 447,951.57, 618,173.19 and 246,747.57 is: 340,511.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,951.57 : 618,173.19 = 246,747.57 : x
  2. Step 2: Convert to fraction form
    447,951.57/618,173.19 = 246,747.57/x
  3. Step 3: Cross multiply
    447,951.57x = 618,173.19 × 246,747.57
  4. Step 4: Simplify right side
    447,951.57x = 152,532,732,471.65
  5. Step 5: Solve for x
    x = 152,532,732,471.65/447,951.57
  6. Step 6: Final answer
    x = 340,511.66

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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.