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Finding the Fourth Proportional to 3,718,797.93, 5,578,585.70 and 1,322,863.29

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Solution

The fourth proportional to 3,718,797.93, 5,578,585.70 and 1,322,863.29 is: 1,984,433.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718,797.93 : 5,578,585.70 = 1,322,863.29 : x
  2. Step 2: Convert to fraction form
    3,718,797.93/5,578,585.70 = 1,322,863.29/x
  3. Step 3: Cross multiply
    3,718,797.93x = 5,578,585.70 × 1,322,863.29
  4. Step 4: Simplify right side
    3,718,797.93x = 7,379,706,226,034.64
  5. Step 5: Solve for x
    x = 7,379,706,226,034.64/3,718,797.93
  6. Step 6: Final answer
    x = 1,984,433.24

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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.