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Finding the Fourth Proportional to 2,883,375.68, 3,978,960.96 and 1,659,511.32

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Solution

The fourth proportional to 2,883,375.68, 3,978,960.96 and 1,659,511.32 is: 2,290,069.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883,375.68 : 3,978,960.96 = 1,659,511.32 : x
  2. Step 2: Convert to fraction form
    2,883,375.68/3,978,960.96 = 1,659,511.32/x
  3. Step 3: Cross multiply
    2,883,375.68x = 3,978,960.96 × 1,659,511.32
  4. Step 4: Simplify right side
    2,883,375.68x = 6,603,130,754,958.07
  5. Step 5: Solve for x
    x = 6,603,130,754,958.07/2,883,375.68
  6. Step 6: Final answer
    x = 2,290,069.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.