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Finding the Fourth Proportional to 606,100.32, 836,250.48 and 347,976

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Solution

The fourth proportional to 606,100.32, 836,250.48 and 347,976 is: 480,110.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,100.32 : 836,250.48 = 347,976 : x
  2. Step 2: Convert to fraction form
    606,100.32/836,250.48 = 347,976/x
  3. Step 3: Cross multiply
    606,100.32x = 836,250.48 × 347,976
  4. Step 4: Simplify right side
    606,100.32x = 290,995,097,028.48
  5. Step 5: Solve for x
    x = 290,995,097,028.48/606,100.32
  6. Step 6: Final answer
    x = 480,110.45

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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.