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Finding the Fourth Proportional to 496,994.48, 685,834.38 and 303,725.53

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Solution

The fourth proportional to 496,994.48, 685,834.38 and 303,725.53 is: 419,130.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,994.48 : 685,834.38 = 303,725.53 : x
  2. Step 2: Convert to fraction form
    496,994.48/685,834.38 = 303,725.53/x
  3. Step 3: Cross multiply
    496,994.48x = 685,834.38 × 303,725.53
  4. Step 4: Simplify right side
    496,994.48x = 208,305,410,276.04
  5. Step 5: Solve for x
    x = 208,305,410,276.04/496,994.48
  6. Step 6: Final answer
    x = 419,130.23

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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.