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Finding the Fourth Proportional to 366,942.20, 550,413.30 and 234,081.95

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Solution

The fourth proportional to 366,942.20, 550,413.30 and 234,081.95 is: 351,122.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,942.20 : 550,413.30 = 234,081.95 : x
  2. Step 2: Convert to fraction form
    366,942.20/550,413.30 = 234,081.95/x
  3. Step 3: Cross multiply
    366,942.20x = 550,413.30 × 234,081.95
  4. Step 4: Simplify right side
    366,942.20x = 128,841,818,569.94
  5. Step 5: Solve for x
    x = 128,841,818,569.94/366,942.20
  6. Step 6: Final answer
    x = 351,122.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.