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Finding the Fourth Proportional to 605,255.22, 835,220.22 and 347,118.83

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Solution

The fourth proportional to 605,255.22, 835,220.22 and 347,118.83 is: 479,005.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,255.22 : 835,220.22 = 347,118.83 : x
  2. Step 2: Convert to fraction form
    605,255.22/835,220.22 = 347,118.83/x
  3. Step 3: Cross multiply
    605,255.22x = 835,220.22 × 347,118.83
  4. Step 4: Simplify right side
    605,255.22x = 289,920,661,840.24
  5. Step 5: Solve for x
    x = 289,920,661,840.24/605,255.22
  6. Step 6: Final answer
    x = 479,005.64

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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.