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Finding the Fourth Proportional to 606,198.50, 836,840.87 and 351,456.74

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Solution

The fourth proportional to 606,198.50, 836,840.87 and 351,456.74 is: 485,176.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,198.50 : 836,840.87 = 351,456.74 : x
  2. Step 2: Convert to fraction form
    606,198.50/836,840.87 = 351,456.74/x
  3. Step 3: Cross multiply
    606,198.50x = 836,840.87 × 351,456.74
  4. Step 4: Simplify right side
    606,198.50x = 294,113,358,127.48
  5. Step 5: Solve for x
    x = 294,113,358,127.48/606,198.50
  6. Step 6: Final answer
    x = 485,176.66

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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.