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Finding the Fourth Proportional to 344,469.79, 475,310.86 and 191,503.72

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Solution

The fourth proportional to 344,469.79, 475,310.86 and 191,503.72 is: 264,243.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,469.79 : 475,310.86 = 191,503.72 : x
  2. Step 2: Convert to fraction form
    344,469.79/475,310.86 = 191,503.72/x
  3. Step 3: Cross multiply
    344,469.79x = 475,310.86 × 191,503.72
  4. Step 4: Simplify right side
    344,469.79x = 91,023,797,846.40
  5. Step 5: Solve for x
    x = 91,023,797,846.40/344,469.79
  6. Step 6: Final answer
    x = 264,243.19

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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.