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Finding the Fourth Proportional to 605,876.94, 836,106.44 and 330,234.48

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Solution

The fourth proportional to 605,876.94, 836,106.44 and 330,234.48 is: 455,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,876.94 : 836,106.44 = 330,234.48 : x
  2. Step 2: Convert to fraction form
    605,876.94/836,106.44 = 330,234.48/x
  3. Step 3: Cross multiply
    605,876.94x = 836,106.44 × 330,234.48
  4. Step 4: Simplify right side
    605,876.94x = 276,111,173,786.88
  5. Step 5: Solve for x
    x = 276,111,173,786.88/605,876.94
  6. Step 6: Final answer
    x = 455,721.54

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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.