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Finding the Fourth Proportional to 3,994,348.40, 5,991,522.60 and 3,356,619.20

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Solution

The fourth proportional to 3,994,348.40, 5,991,522.60 and 3,356,619.20 is: 5,034,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994,348.40 : 5,991,522.60 = 3,356,619.20 : x
  2. Step 2: Convert to fraction form
    3,994,348.40/5,991,522.60 = 3,356,619.20/x
  3. Step 3: Cross multiply
    3,994,348.40x = 5,991,522.60 × 3,356,619.20
  4. Step 4: Simplify right side
    3,994,348.40x = 20,111,259,796,393.92
  5. Step 5: Solve for x
    x = 20,111,259,796,393.92/3,994,348.40
  6. Step 6: Final answer
    x = 5,034,928.80

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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.