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Finding the Fourth Proportional to 440,793.60, 661,190.40 and 363,033.60

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Solution

The fourth proportional to 440,793.60, 661,190.40 and 363,033.60 is: 544,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,793.60 : 661,190.40 = 363,033.60 : x
  2. Step 2: Convert to fraction form
    440,793.60/661,190.40 = 363,033.60/x
  3. Step 3: Cross multiply
    440,793.60x = 661,190.40 × 363,033.60
  4. Step 4: Simplify right side
    440,793.60x = 240,034,331,197.44
  5. Step 5: Solve for x
    x = 240,034,331,197.44/440,793.60
  6. Step 6: Final answer
    x = 544,550.40

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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.