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Finding the Fourth Proportional to 1,982,198.97, 2,973,263.37 and 751,443.77

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Solution

The fourth proportional to 1,982,198.97, 2,973,263.37 and 751,443.77 is: 1,127,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,198.97 : 2,973,263.37 = 751,443.77 : x
  2. Step 2: Convert to fraction form
    1,982,198.97/2,973,263.37 = 751,443.77/x
  3. Step 3: Cross multiply
    1,982,198.97x = 2,973,263.37 × 751,443.77
  4. Step 4: Simplify right side
    1,982,198.97x = 2,234,240,221,089.39
  5. Step 5: Solve for x
    x = 2,234,240,221,089.39/1,982,198.97
  6. Step 6: Final answer
    x = 1,127,152.35

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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.