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Finding the Fourth Proportional to 277,866.87, 383,456.69 and 150,542.47

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Solution

The fourth proportional to 277,866.87, 383,456.69 and 150,542.47 is: 207,748.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,866.87 : 383,456.69 = 150,542.47 : x
  2. Step 2: Convert to fraction form
    277,866.87/383,456.69 = 150,542.47/x
  3. Step 3: Cross multiply
    277,866.87x = 383,456.69 × 150,542.47
  4. Step 4: Simplify right side
    277,866.87x = 57,726,517,250.62
  5. Step 5: Solve for x
    x = 57,726,517,250.62/277,866.87
  6. Step 6: Final answer
    x = 207,748.83

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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.