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Finding the Fourth Proportional to 481,206.62, 664,213.06 and 277,393.82

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Solution

The fourth proportional to 481,206.62, 664,213.06 and 277,393.82 is: 382,888.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,206.62 : 664,213.06 = 277,393.82 : x
  2. Step 2: Convert to fraction form
    481,206.62/664,213.06 = 277,393.82/x
  3. Step 3: Cross multiply
    481,206.62x = 664,213.06 × 277,393.82
  4. Step 4: Simplify right side
    481,206.62x = 184,248,595,032.97
  5. Step 5: Solve for x
    x = 184,248,595,032.97/481,206.62
  6. Step 6: Final answer
    x = 382,888.74

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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.