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Finding the Fourth Proportional to 605,709.36, 835,884.52 and 333,786.98

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Solution

The fourth proportional to 605,709.36, 835,884.52 and 333,786.98 is: 460,629.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,709.36 : 835,884.52 = 333,786.98 : x
  2. Step 2: Convert to fraction form
    605,709.36/835,884.52 = 333,786.98/x
  3. Step 3: Cross multiply
    605,709.36x = 835,884.52 × 333,786.98
  4. Step 4: Simplify right side
    605,709.36x = 279,007,369,559.55
  5. Step 5: Solve for x
    x = 279,007,369,559.55/605,709.36
  6. Step 6: Final answer
    x = 460,629.12

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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.