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Finding the Fourth Proportional to 450,131.60, 674,736.60 and 263,046.80

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Solution

The fourth proportional to 450,131.60, 674,736.60 and 263,046.80 is: 394,300.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,131.60 : 674,736.60 = 263,046.80 : x
  2. Step 2: Convert to fraction form
    450,131.60/674,736.60 = 263,046.80/x
  3. Step 3: Cross multiply
    450,131.60x = 674,736.60 × 263,046.80
  4. Step 4: Simplify right side
    450,131.60x = 177,487,303,472.88
  5. Step 5: Solve for x
    x = 177,487,303,472.88/450,131.60
  6. Step 6: Final answer
    x = 394,300.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.