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Finding the Fourth Proportional to 297,391.28, 446,529.77 and 120,244.28

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Solution

The fourth proportional to 297,391.28, 446,529.77 and 120,244.28 is: 180,545.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,391.28 : 446,529.77 = 120,244.28 : x
  2. Step 2: Convert to fraction form
    297,391.28/446,529.77 = 120,244.28/x
  3. Step 3: Cross multiply
    297,391.28x = 446,529.77 × 120,244.28
  4. Step 4: Simplify right side
    297,391.28x = 53,692,647,858.35
  5. Step 5: Solve for x
    x = 53,692,647,858.35/297,391.28
  6. Step 6: Final answer
    x = 180,545.47

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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.