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Finding the Fourth Proportional to 3,048,129.80, 4,261,783 and 3,048,129.80

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Solution

The fourth proportional to 3,048,129.80, 4,261,783 and 3,048,129.80 is: 4,261,783

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048,129.80 : 4,261,783 = 3,048,129.80 : x
  2. Step 2: Convert to fraction form
    3,048,129.80/4,261,783 = 3,048,129.80/x
  3. Step 3: Cross multiply
    3,048,129.80x = 4,261,783 × 3,048,129.80
  4. Step 4: Simplify right side
    3,048,129.80x = 12,990,467,763,433.40
  5. Step 5: Solve for x
    x = 12,990,467,763,433.40/3,048,129.80
  6. Step 6: Final answer
    x = 4,261,783

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.