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Finding the Fourth Proportional to 636,146.88, 954,198.45 and 162,836.34

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Solution

The fourth proportional to 636,146.88, 954,198.45 and 162,836.34 is: 244,248.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,146.88 : 954,198.45 = 162,836.34 : x
  2. Step 2: Convert to fraction form
    636,146.88/954,198.45 = 162,836.34/x
  3. Step 3: Cross multiply
    636,146.88x = 954,198.45 × 162,836.34
  4. Step 4: Simplify right side
    636,146.88x = 155,378,183,231.67
  5. Step 5: Solve for x
    x = 155,378,183,231.67/636,146.88
  6. Step 6: Final answer
    x = 244,248.91

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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.