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Finding the Fourth Proportional to 484,920.77, 727,469.38 and 200,456.82

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Solution

The fourth proportional to 484,920.77, 727,469.38 and 200,456.82 is: 300,721.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,920.77 : 727,469.38 = 200,456.82 : x
  2. Step 2: Convert to fraction form
    484,920.77/727,469.38 = 200,456.82/x
  3. Step 3: Cross multiply
    484,920.77x = 727,469.38 × 200,456.82
  4. Step 4: Simplify right side
    484,920.77x = 145,826,198,562.17
  5. Step 5: Solve for x
    x = 145,826,198,562.17/484,920.77
  6. Step 6: Final answer
    x = 300,721.70

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1.5x scale

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.