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Finding the Fourth Proportional to 605,372.17, 835,413.55 and 350,870.98

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Solution

The fourth proportional to 605,372.17, 835,413.55 and 350,870.98 is: 484,201.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,372.17 : 835,413.55 = 350,870.98 : x
  2. Step 2: Convert to fraction form
    605,372.17/835,413.55 = 350,870.98/x
  3. Step 3: Cross multiply
    605,372.17x = 835,413.55 × 350,870.98
  4. Step 4: Simplify right side
    605,372.17x = 293,122,370,993.78
  5. Step 5: Solve for x
    x = 293,122,370,993.78/605,372.17
  6. Step 6: Final answer
    x = 484,201.93

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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.