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Finding the Fourth Proportional to 613,135.69, 919,736.34 and 192,444.37

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Solution

The fourth proportional to 613,135.69, 919,736.34 and 192,444.37 is: 288,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,135.69 : 919,736.34 = 192,444.37 : x
  2. Step 2: Convert to fraction form
    613,135.69/919,736.34 = 192,444.37/x
  3. Step 3: Cross multiply
    613,135.69x = 919,736.34 × 192,444.37
  4. Step 4: Simplify right side
    613,135.69x = 176,998,077,496.40
  5. Step 5: Solve for x
    x = 176,998,077,496.40/613,135.69
  6. Step 6: Final answer
    x = 288,676.85

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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.