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Finding the Fourth Proportional to 481,947.78, 665,159.67 and 277,960.62

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Solution

The fourth proportional to 481,947.78, 665,159.67 and 277,960.62 is: 383,627.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,947.78 : 665,159.67 = 277,960.62 : x
  2. Step 2: Convert to fraction form
    481,947.78/665,159.67 = 277,960.62/x
  3. Step 3: Cross multiply
    481,947.78x = 665,159.67 × 277,960.62
  4. Step 4: Simplify right side
    481,947.78x = 184,888,194,272.20
  5. Step 5: Solve for x
    x = 184,888,194,272.20/481,947.78
  6. Step 6: Final answer
    x = 383,627.03

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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.