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Finding the Fourth Proportional to 297,887.28, 446,690.54 and 108,213.90

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Solution

The fourth proportional to 297,887.28, 446,690.54 and 108,213.90 is: 162,269.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,887.28 : 446,690.54 = 108,213.90 : x
  2. Step 2: Convert to fraction form
    297,887.28/446,690.54 = 108,213.90/x
  3. Step 3: Cross multiply
    297,887.28x = 446,690.54 × 108,213.90
  4. Step 4: Simplify right side
    297,887.28x = 48,338,124,885.44
  5. Step 5: Solve for x
    x = 48,338,124,885.44/297,887.28
  6. Step 6: Final answer
    x = 162,269.85

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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.