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Finding the Fourth Proportional to 297,916.40, 446,874.60 and 295,842.80

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Solution

The fourth proportional to 297,916.40, 446,874.60 and 295,842.80 is: 443,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,916.40 : 446,874.60 = 295,842.80 : x
  2. Step 2: Convert to fraction form
    297,916.40/446,874.60 = 295,842.80/x
  3. Step 3: Cross multiply
    297,916.40x = 446,874.60 × 295,842.80
  4. Step 4: Simplify right side
    297,916.40x = 132,204,632,912.88
  5. Step 5: Solve for x
    x = 132,204,632,912.88/297,916.40
  6. Step 6: Final answer
    x = 443,764.20

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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.