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Finding the Fourth Proportional to 636,196.08, 954,605.40 and 299,270.73

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Solution

The fourth proportional to 636,196.08, 954,605.40 and 299,270.73 is: 449,052.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,196.08 : 954,605.40 = 299,270.73 : x
  2. Step 2: Convert to fraction form
    636,196.08/954,605.40 = 299,270.73/x
  3. Step 3: Cross multiply
    636,196.08x = 954,605.40 × 299,270.73
  4. Step 4: Simplify right side
    636,196.08x = 285,685,454,919.94
  5. Step 5: Solve for x
    x = 285,685,454,919.94/636,196.08
  6. Step 6: Final answer
    x = 449,052.52

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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.