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Finding the Fourth Proportional to 496,964.04, 685,791.60 and 303,694.92

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Solution

The fourth proportional to 496,964.04, 685,791.60 and 303,694.92 is: 419,087.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,964.04 : 685,791.60 = 303,694.92 : x
  2. Step 2: Convert to fraction form
    496,964.04/685,791.60 = 303,694.92/x
  3. Step 3: Cross multiply
    496,964.04x = 685,791.60 × 303,694.92
  4. Step 4: Simplify right side
    496,964.04x = 208,271,425,098.67
  5. Step 5: Solve for x
    x = 208,271,425,098.67/496,964.04
  6. Step 6: Final answer
    x = 419,087.52

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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.