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Finding the Fourth Proportional to 2,621,994.84, 3,932,992.26 and 940,279.32

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Solution

The fourth proportional to 2,621,994.84, 3,932,992.26 and 940,279.32 is: 1,410,418.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621,994.84 : 3,932,992.26 = 940,279.32 : x
  2. Step 2: Convert to fraction form
    2,621,994.84/3,932,992.26 = 940,279.32/x
  3. Step 3: Cross multiply
    2,621,994.84x = 3,932,992.26 × 940,279.32
  4. Step 4: Simplify right side
    2,621,994.84x = 3,698,111,287,798.06
  5. Step 5: Solve for x
    x = 3,698,111,287,798.06/2,621,994.84
  6. Step 6: Final answer
    x = 1,410,418.98

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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.