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Finding the Fourth Proportional to 605,515.50, 835,611.39 and 337,243.50

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Solution

The fourth proportional to 605,515.50, 835,611.39 and 337,243.50 is: 465,396.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,515.50 : 835,611.39 = 337,243.50 : x
  2. Step 2: Convert to fraction form
    605,515.50/835,611.39 = 337,243.50/x
  3. Step 3: Cross multiply
    605,515.50x = 835,611.39 × 337,243.50
  4. Step 4: Simplify right side
    605,515.50x = 281,804,509,803.47
  5. Step 5: Solve for x
    x = 281,804,509,803.47/605,515.50
  6. Step 6: Final answer
    x = 465,396.03

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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.