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Finding the Fourth Proportional to 3,264,409.80, 4,890,709.80 and 2,792,017.80

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Solution

The fourth proportional to 3,264,409.80, 4,890,709.80 and 2,792,017.80 is: 4,182,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264,409.80 : 4,890,709.80 = 2,792,017.80 : x
  2. Step 2: Convert to fraction form
    3,264,409.80/4,890,709.80 = 2,792,017.80/x
  3. Step 3: Cross multiply
    3,264,409.80x = 4,890,709.80 × 2,792,017.80
  4. Step 4: Simplify right side
    3,264,409.80x = 13,654,948,816,234.44
  5. Step 5: Solve for x
    x = 13,654,948,816,234.44/3,264,409.80
  6. Step 6: Final answer
    x = 4,182,976.30

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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.