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Finding the Fourth Proportional to 1,393,254, 2,089,906.92 and 396,007.92

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Solution

The fourth proportional to 1,393,254, 2,089,906.92 and 396,007.92 is: 594,019.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,254 : 2,089,906.92 = 396,007.92 : x
  2. Step 2: Convert to fraction form
    1,393,254/2,089,906.92 = 396,007.92/x
  3. Step 3: Cross multiply
    1,393,254x = 2,089,906.92 × 396,007.92
  4. Step 4: Simplify right side
    1,393,254x = 827,619,692,382.81
  5. Step 5: Solve for x
    x = 827,619,692,382.81/1,393,254
  6. Step 6: Final answer
    x = 594,019.25

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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.