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Finding the Fourth Proportional to 274,024,413.80, 411,036,620.70 and 69,552,489.05

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Solution

The fourth proportional to 274,024,413.80, 411,036,620.70 and 69,552,489.05 is: 104,328,733.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,024,413.80 : 411,036,620.70 = 69,552,489.05 : x
  2. Step 2: Convert to fraction form
    274,024,413.80/411,036,620.70 = 69,552,489.05/x
  3. Step 3: Cross multiply
    274,024,413.80x = 411,036,620.70 × 69,552,489.05
  4. Step 4: Simplify right side
    274,024,413.80x = 28,588,620,060,385,752
  5. Step 5: Solve for x
    x = 28,588,620,060,385,752/274,024,413.80
  6. Step 6: Final answer
    x = 104,328,733.58

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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.