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Finding the Fourth Proportional to 605,620.37, 835,775.05 and 347,544.53

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Solution

The fourth proportional to 605,620.37, 835,775.05 and 347,544.53 is: 479,622.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,620.37 : 835,775.05 = 347,544.53 : x
  2. Step 2: Convert to fraction form
    605,620.37/835,775.05 = 347,544.53/x
  3. Step 3: Cross multiply
    605,620.37x = 835,775.05 × 347,544.53
  4. Step 4: Simplify right side
    605,620.37x = 290,469,049,461.85
  5. Step 5: Solve for x
    x = 290,469,049,461.85/605,620.37
  6. Step 6: Final answer
    x = 479,622.32

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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.