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Finding the Fourth Proportional to 277,579.78, 383,060.55 and 150,255.88

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Solution

The fourth proportional to 277,579.78, 383,060.55 and 150,255.88 is: 207,353.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,579.78 : 383,060.55 = 150,255.88 : x
  2. Step 2: Convert to fraction form
    277,579.78/383,060.55 = 150,255.88/x
  3. Step 3: Cross multiply
    277,579.78x = 383,060.55 × 150,255.88
  4. Step 4: Simplify right side
    277,579.78x = 57,557,100,033.53
  5. Step 5: Solve for x
    x = 57,557,100,033.53/277,579.78
  6. Step 6: Final answer
    x = 207,353.36

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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.