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Finding the Fourth Proportional to 636,493.56, 954,669 and 163,190.04

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Solution

The fourth proportional to 636,493.56, 954,669 and 163,190.04 is: 244,766.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,493.56 : 954,669 = 163,190.04 : x
  2. Step 2: Convert to fraction form
    636,493.56/954,669 = 163,190.04/x
  3. Step 3: Cross multiply
    636,493.56x = 954,669 × 163,190.04
  4. Step 4: Simplify right side
    636,493.56x = 155,792,472,296.76
  5. Step 5: Solve for x
    x = 155,792,472,296.76/636,493.56
  6. Step 6: Final answer
    x = 244,766.77

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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.