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Finding the Fourth Proportional to 636,474.27, 954,576.93 and 187,072.92

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Solution

The fourth proportional to 636,474.27, 954,576.93 and 187,072.92 is: 280,569.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,474.27 : 954,576.93 = 187,072.92 : x
  2. Step 2: Convert to fraction form
    636,474.27/954,576.93 = 187,072.92/x
  3. Step 3: Cross multiply
    636,474.27x = 954,576.93 × 187,072.92
  4. Step 4: Simplify right side
    636,474.27x = 178,575,493,659.74
  5. Step 5: Solve for x
    x = 178,575,493,659.74/636,474.27
  6. Step 6: Final answer
    x = 280,569.86

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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.