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Finding the Fourth Proportional to 605,707.05, 835,912.31 and 333,774.48

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Solution

The fourth proportional to 605,707.05, 835,912.31 and 333,774.48 is: 460,628.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,707.05 : 835,912.31 = 333,774.48 : x
  2. Step 2: Convert to fraction form
    605,707.05/835,912.31 = 333,774.48/x
  3. Step 3: Cross multiply
    605,707.05x = 835,912.31 × 333,774.48
  4. Step 4: Simplify right side
    605,707.05x = 279,006,194,926.98
  5. Step 5: Solve for x
    x = 279,006,194,926.98/605,707.05
  6. Step 6: Final answer
    x = 460,628.94

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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.