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Finding the Fourth Proportional to 344,337.86, 475,198.44 and 191,379.08

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Solution

The fourth proportional to 344,337.86, 475,198.44 and 191,379.08 is: 264,109.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,337.86 : 475,198.44 = 191,379.08 : x
  2. Step 2: Convert to fraction form
    344,337.86/475,198.44 = 191,379.08/x
  3. Step 3: Cross multiply
    344,337.86x = 475,198.44 × 191,379.08
  4. Step 4: Simplify right side
    344,337.86x = 90,943,040,264.64
  5. Step 5: Solve for x
    x = 90,943,040,264.64/344,337.86
  6. Step 6: Final answer
    x = 264,109.91

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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.