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Finding the Fourth Proportional to 446,152.96, 669,229.42 and 130,609.86

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Solution

The fourth proportional to 446,152.96, 669,229.42 and 130,609.86 is: 195,914.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,152.96 : 669,229.42 = 130,609.86 : x
  2. Step 2: Convert to fraction form
    446,152.96/669,229.42 = 130,609.86/x
  3. Step 3: Cross multiply
    446,152.96x = 669,229.42 × 130,609.86
  4. Step 4: Simplify right side
    446,152.96x = 87,407,960,201.03
  5. Step 5: Solve for x
    x = 87,407,960,201.03/446,152.96
  6. Step 6: Final answer
    x = 195,914.78

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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.