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Finding the Fourth Proportional to 323,182.41, 485,202.81 and 276,099.94

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Solution

The fourth proportional to 323,182.41, 485,202.81 and 276,099.94 is: 414,516.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,182.41 : 485,202.81 = 276,099.94 : x
  2. Step 2: Convert to fraction form
    323,182.41/485,202.81 = 276,099.94/x
  3. Step 3: Cross multiply
    323,182.41x = 485,202.81 × 276,099.94
  4. Step 4: Simplify right side
    323,182.41x = 133,964,466,817.65
  5. Step 5: Solve for x
    x = 133,964,466,817.65/323,182.41
  6. Step 6: Final answer
    x = 414,516.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.