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Finding the Fourth Proportional to 605,838.78, 836,057.57 and 351,337.59

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Solution

The fourth proportional to 605,838.78, 836,057.57 and 351,337.59 is: 484,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,838.78 : 836,057.57 = 351,337.59 : x
  2. Step 2: Convert to fraction form
    605,838.78/836,057.57 = 351,337.59/x
  3. Step 3: Cross multiply
    605,838.78x = 836,057.57 × 351,337.59
  4. Step 4: Simplify right side
    605,838.78x = 293,738,449,988.37
  5. Step 5: Solve for x
    x = 293,738,449,988.37/605,838.78
  6. Step 6: Final answer
    x = 484,845.90

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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.