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Finding the Fourth Proportional to 2,036,686, 3,055,029 and 706,990

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Solution

The fourth proportional to 2,036,686, 3,055,029 and 706,990 is: 1,060,485

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036,686 : 3,055,029 = 706,990 : x
  2. Step 2: Convert to fraction form
    2,036,686/3,055,029 = 706,990/x
  3. Step 3: Cross multiply
    2,036,686x = 3,055,029 × 706,990
  4. Step 4: Simplify right side
    2,036,686x = 2,159,874,952,710
  5. Step 5: Solve for x
    x = 2,159,874,952,710/2,036,686
  6. Step 6: Final answer
    x = 1,060,485

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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.