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Finding the Fourth Proportional to 422,737.39, 583,112.87 and 277,550.66

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Solution

The fourth proportional to 422,737.39, 583,112.87 and 277,550.66 is: 382,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,737.39 : 583,112.87 = 277,550.66 : x
  2. Step 2: Convert to fraction form
    422,737.39/583,112.87 = 277,550.66/x
  3. Step 3: Cross multiply
    422,737.39x = 583,112.87 × 277,550.66
  4. Step 4: Simplify right side
    422,737.39x = 161,843,359,007.43
  5. Step 5: Solve for x
    x = 161,843,359,007.43/422,737.39
  6. Step 6: Final answer
    x = 382,846.10

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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.