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Finding the Fourth Proportional to 605,885.78, 836,073.22 and 351,253.37

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Solution

The fourth proportional to 605,885.78, 836,073.22 and 351,253.37 is: 484,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,885.78 : 836,073.22 = 351,253.37 : x
  2. Step 2: Convert to fraction form
    605,885.78/836,073.22 = 351,253.37/x
  3. Step 3: Cross multiply
    605,885.78x = 836,073.22 × 351,253.37
  4. Step 4: Simplify right side
    605,885.78x = 293,673,536,091.75
  5. Step 5: Solve for x
    x = 293,673,536,091.75/605,885.78
  6. Step 6: Final answer
    x = 484,701.15

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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.