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Finding the Fourth Proportional to 344,208.87, 475,004.79 and 189,162.72

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Solution

The fourth proportional to 344,208.87, 475,004.79 and 189,162.72 is: 261,042.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,208.87 : 475,004.79 = 189,162.72 : x
  2. Step 2: Convert to fraction form
    344,208.87/475,004.79 = 189,162.72/x
  3. Step 3: Cross multiply
    344,208.87x = 475,004.79 × 189,162.72
  4. Step 4: Simplify right side
    344,208.87x = 89,853,198,089.43
  5. Step 5: Solve for x
    x = 89,853,198,089.43/344,208.87
  6. Step 6: Final answer
    x = 261,042.66

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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.