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Finding the Fourth Proportional to 1,837,713.60, 2,751,040.80 and 1,616,529.60

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Solution

The fourth proportional to 1,837,713.60, 2,751,040.80 and 1,616,529.60 is: 2,419,930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837,713.60 : 2,751,040.80 = 1,616,529.60 : x
  2. Step 2: Convert to fraction form
    1,837,713.60/2,751,040.80 = 1,616,529.60/x
  3. Step 3: Cross multiply
    1,837,713.60x = 2,751,040.80 × 1,616,529.60
  4. Step 4: Simplify right side
    1,837,713.60x = 4,447,138,884,007.68
  5. Step 5: Solve for x
    x = 4,447,138,884,007.68/1,837,713.60
  6. Step 6: Final answer
    x = 2,419,930.33

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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.