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Finding the Fourth Proportional to 295,909.20, 443,645.10 and 162,939.60

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Solution

The fourth proportional to 295,909.20, 443,645.10 and 162,939.60 is: 244,288.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,909.20 : 443,645.10 = 162,939.60 : x
  2. Step 2: Convert to fraction form
    295,909.20/443,645.10 = 162,939.60/x
  3. Step 3: Cross multiply
    295,909.20x = 443,645.10 × 162,939.60
  4. Step 4: Simplify right side
    295,909.20x = 72,287,355,135.96
  5. Step 5: Solve for x
    x = 72,287,355,135.96/295,909.20
  6. Step 6: Final answer
    x = 244,288.97

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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.