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Finding the Fourth Proportional to 548,699.22, 757,323.35 and 333,908.49

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Solution

The fourth proportional to 548,699.22, 757,323.35 and 333,908.49 is: 460,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,699.22 : 757,323.35 = 333,908.49 : x
  2. Step 2: Convert to fraction form
    548,699.22/757,323.35 = 333,908.49/x
  3. Step 3: Cross multiply
    548,699.22x = 757,323.35 × 333,908.49
  4. Step 4: Simplify right side
    548,699.22x = 252,876,694,570.70
  5. Step 5: Solve for x
    x = 252,876,694,570.70/548,699.22
  6. Step 6: Final answer
    x = 460,865.78

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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.