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Finding the Fourth Proportional to 1,629,245.87, 2,248,410.86 and 940,905.27

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Solution

The fourth proportional to 1,629,245.87, 2,248,410.86 and 940,905.27 is: 1,298,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,245.87 : 2,248,410.86 = 940,905.27 : x
  2. Step 2: Convert to fraction form
    1,629,245.87/2,248,410.86 = 940,905.27/x
  3. Step 3: Cross multiply
    1,629,245.87x = 2,248,410.86 × 940,905.27
  4. Step 4: Simplify right side
    1,629,245.87x = 2,115,541,622,594.71
  5. Step 5: Solve for x
    x = 2,115,541,622,594.71/1,629,245.87
  6. Step 6: Final answer
    x = 1,298,479.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.