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Finding the Fourth Proportional to 636,481.56, 954,651.06 and 163,178.04

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Solution

The fourth proportional to 636,481.56, 954,651.06 and 163,178.04 is: 244,748.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,481.56 : 954,651.06 = 163,178.04 : x
  2. Step 2: Convert to fraction form
    636,481.56/954,651.06 = 163,178.04/x
  3. Step 3: Cross multiply
    636,481.56x = 954,651.06 × 163,178.04
  4. Step 4: Simplify right side
    636,481.56x = 155,778,088,854.72
  5. Step 5: Solve for x
    x = 155,778,088,854.72/636,481.56
  6. Step 6: Final answer
    x = 244,748.79

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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.