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Finding the Fourth Proportional to 605,622.69, 835,778.24 and 347,546.85

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Solution

The fourth proportional to 605,622.69, 835,778.24 and 347,546.85 is: 479,625.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,622.69 : 835,778.24 = 347,546.85 : x
  2. Step 2: Convert to fraction form
    605,622.69/835,778.24 = 347,546.85/x
  3. Step 3: Cross multiply
    605,622.69x = 835,778.24 × 347,546.85
  4. Step 4: Simplify right side
    605,622.69x = 290,472,094,610.54
  5. Step 5: Solve for x
    x = 290,472,094,610.54/605,622.69
  6. Step 6: Final answer
    x = 479,625.52

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1.5x scale

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.