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Finding the Fourth Proportional to 481,208.62, 664,215.82 and 277,395.82

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Solution

The fourth proportional to 481,208.62, 664,215.82 and 277,395.82 is: 382,891.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,208.62 : 664,215.82 = 277,395.82 : x
  2. Step 2: Convert to fraction form
    481,208.62/664,215.82 = 277,395.82/x
  3. Step 3: Cross multiply
    481,208.62x = 664,215.82 × 277,395.82
  4. Step 4: Simplify right side
    481,208.62x = 184,250,692,045.87
  5. Step 5: Solve for x
    x = 184,250,692,045.87/481,208.62
  6. Step 6: Final answer
    x = 382,891.50

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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.