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Finding the Fourth Proportional to 3,278,262.24, 4,917,015.09 and 881,918.55

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Solution

The fourth proportional to 3,278,262.24, 4,917,015.09 and 881,918.55 is: 1,322,776.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278,262.24 : 4,917,015.09 = 881,918.55 : x
  2. Step 2: Convert to fraction form
    3,278,262.24/4,917,015.09 = 881,918.55/x
  3. Step 3: Cross multiply
    3,278,262.24x = 4,917,015.09 × 881,918.55
  4. Step 4: Simplify right side
    3,278,262.24x = 4,336,406,818,500.92
  5. Step 5: Solve for x
    x = 4,336,406,818,500.92/3,278,262.24
  6. Step 6: Final answer
    x = 1,322,776.06

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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.