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Finding the Fourth Proportional to 551,917.70, 827,184 and 236,003.12

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Solution

The fourth proportional to 551,917.70, 827,184 and 236,003.12 is: 353,708.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,917.70 : 827,184 = 236,003.12 : x
  2. Step 2: Convert to fraction form
    551,917.70/827,184 = 236,003.12/x
  3. Step 3: Cross multiply
    551,917.70x = 827,184 × 236,003.12
  4. Step 4: Simplify right side
    551,917.70x = 195,218,004,814.08
  5. Step 5: Solve for x
    x = 195,218,004,814.08/551,917.70
  6. Step 6: Final answer
    x = 353,708.54

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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.