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Finding the Fourth Proportional to 646,571.96, 892,296.98 and 360,092.06

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Solution

The fourth proportional to 646,571.96, 892,296.98 and 360,092.06 is: 496,942.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,571.96 : 892,296.98 = 360,092.06 : x
  2. Step 2: Convert to fraction form
    646,571.96/892,296.98 = 360,092.06/x
  3. Step 3: Cross multiply
    646,571.96x = 892,296.98 × 360,092.06
  4. Step 4: Simplify right side
    646,571.96x = 321,309,057,659.98
  5. Step 5: Solve for x
    x = 321,309,057,659.98/646,571.96
  6. Step 6: Final answer
    x = 496,942.46

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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.