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Finding the Fourth Proportional to 605,156.70, 835,083.20 and 333,172.95

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Solution

The fourth proportional to 605,156.70, 835,083.20 and 333,172.95 is: 459,760.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,156.70 : 835,083.20 = 333,172.95 : x
  2. Step 2: Convert to fraction form
    605,156.70/835,083.20 = 333,172.95/x
  3. Step 3: Cross multiply
    605,156.70x = 835,083.20 × 333,172.95
  4. Step 4: Simplify right side
    605,156.70x = 278,227,131,573.58
  5. Step 5: Solve for x
    x = 278,227,131,573.58/605,156.70
  6. Step 6: Final answer
    x = 459,760.47

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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.