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Finding the Fourth Proportional to 483,196.87, 666,833.82 and 268,337.89

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Solution

The fourth proportional to 483,196.87, 666,833.82 and 268,337.89 is: 370,318.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,196.87 : 666,833.82 = 268,337.89 : x
  2. Step 2: Convert to fraction form
    483,196.87/666,833.82 = 268,337.89/x
  3. Step 3: Cross multiply
    483,196.87x = 666,833.82 × 268,337.89
  4. Step 4: Simplify right side
    483,196.87x = 178,936,780,239.44
  5. Step 5: Solve for x
    x = 178,936,780,239.44/483,196.87
  6. Step 6: Final answer
    x = 370,318.58

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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.