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Finding the Fourth Proportional to 297,392.28, 446,531.27 and 120,245.28

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Solution

The fourth proportional to 297,392.28, 446,531.27 and 120,245.28 is: 180,546.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,392.28 : 446,531.27 = 120,245.28 : x
  2. Step 2: Convert to fraction form
    297,392.28/446,531.27 = 120,245.28/x
  3. Step 3: Cross multiply
    297,392.28x = 446,531.27 × 120,245.28
  4. Step 4: Simplify right side
    297,392.28x = 53,693,277,589.91
  5. Step 5: Solve for x
    x = 53,693,277,589.91/297,392.28
  6. Step 6: Final answer
    x = 180,546.98

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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.