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Finding the Fourth Proportional to 297,226.40, 445,078.40 and 163,958.52

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Solution

The fourth proportional to 297,226.40, 445,078.40 and 163,958.52 is: 245,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,226.40 : 445,078.40 = 163,958.52 : x
  2. Step 2: Convert to fraction form
    297,226.40/445,078.40 = 163,958.52/x
  3. Step 3: Cross multiply
    297,226.40x = 445,078.40 × 163,958.52
  4. Step 4: Simplify right side
    297,226.40x = 72,974,395,747.97
  5. Step 5: Solve for x
    x = 72,974,395,747.97/297,226.40
  6. Step 6: Final answer
    x = 245,517.88

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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.