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Finding the Fourth Proportional to 483,842.33, 667,725.20 and 268,985.98

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Solution

The fourth proportional to 483,842.33, 667,725.20 and 268,985.98 is: 371,213.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,842.33 : 667,725.20 = 268,985.98 : x
  2. Step 2: Convert to fraction form
    483,842.33/667,725.20 = 268,985.98/x
  3. Step 3: Cross multiply
    483,842.33x = 667,725.20 × 268,985.98
  4. Step 4: Simplify right side
    483,842.33x = 179,608,717,292.70
  5. Step 5: Solve for x
    x = 179,608,717,292.70/483,842.33
  6. Step 6: Final answer
    x = 371,213.32

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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.