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Finding the Fourth Proportional to 446,156.43, 669,234.62 and 130,613.33

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Solution

The fourth proportional to 446,156.43, 669,234.62 and 130,613.33 is: 195,919.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,156.43 : 669,234.62 = 130,613.33 : x
  2. Step 2: Convert to fraction form
    446,156.43/669,234.62 = 130,613.33/x
  3. Step 3: Cross multiply
    446,156.43x = 669,234.62 × 130,613.33
  4. Step 4: Simplify right side
    446,156.43x = 87,410,962,269.48
  5. Step 5: Solve for x
    x = 87,410,962,269.48/446,156.43
  6. Step 6: Final answer
    x = 195,919.99

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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.