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Finding the Fourth Proportional to 297,228.40, 445,081.40 and 163,960.52

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Solution

The fourth proportional to 297,228.40, 445,081.40 and 163,960.52 is: 245,520.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,228.40 : 445,081.40 = 163,960.52 : x
  2. Step 2: Convert to fraction form
    297,228.40/445,081.40 = 163,960.52/x
  3. Step 3: Cross multiply
    297,228.40x = 445,081.40 × 163,960.52
  4. Step 4: Simplify right side
    297,228.40x = 72,975,777,786.33
  5. Step 5: Solve for x
    x = 72,975,777,786.33/297,228.40
  6. Step 6: Final answer
    x = 245,520.88

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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.