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Finding the Fourth Proportional to 293,550.60, 405,223.86 and 198,186.48

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Solution

The fourth proportional to 293,550.60, 405,223.86 and 198,186.48 is: 273,581.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,550.60 : 405,223.86 = 198,186.48 : x
  2. Step 2: Convert to fraction form
    293,550.60/405,223.86 = 198,186.48/x
  3. Step 3: Cross multiply
    293,550.60x = 405,223.86 × 198,186.48
  4. Step 4: Simplify right side
    293,550.60x = 80,309,890,425.41
  5. Step 5: Solve for x
    x = 80,309,890,425.41/293,550.60
  6. Step 6: Final answer
    x = 273,581.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.