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Finding the Fourth Proportional to 297,874.80, 446,725.80 and 108,313.20

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Solution

The fourth proportional to 297,874.80, 446,725.80 and 108,313.20 is: 162,438.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,874.80 : 446,725.80 = 108,313.20 : x
  2. Step 2: Convert to fraction form
    297,874.80/446,725.80 = 108,313.20/x
  3. Step 3: Cross multiply
    297,874.80x = 446,725.80 × 108,313.20
  4. Step 4: Simplify right side
    297,874.80x = 48,386,300,920.56
  5. Step 5: Solve for x
    x = 48,386,300,920.56/297,874.80
  6. Step 6: Final answer
    x = 162,438.38

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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.