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Finding the Fourth Proportional to 606,121.92, 836,391.15 and 351,445.50

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Solution

The fourth proportional to 606,121.92, 836,391.15 and 351,445.50 is: 484,961.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,121.92 : 836,391.15 = 351,445.50 : x
  2. Step 2: Convert to fraction form
    606,121.92/836,391.15 = 351,445.50/x
  3. Step 3: Cross multiply
    606,121.92x = 836,391.15 × 351,445.50
  4. Step 4: Simplify right side
    606,121.92x = 293,945,905,907.33
  5. Step 5: Solve for x
    x = 293,945,905,907.33/606,121.92
  6. Step 6: Final answer
    x = 484,961.68

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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.