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Finding the Fourth Proportional to 2,354,589, 3,532,410 and 858,681

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Solution

The fourth proportional to 2,354,589, 3,532,410 and 858,681 is: 1,288,213.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354,589 : 3,532,410 = 858,681 : x
  2. Step 2: Convert to fraction form
    2,354,589/3,532,410 = 858,681/x
  3. Step 3: Cross multiply
    2,354,589x = 3,532,410 × 858,681
  4. Step 4: Simplify right side
    2,354,589x = 3,033,213,351,210
  5. Step 5: Solve for x
    x = 3,033,213,351,210/2,354,589
  6. Step 6: Final answer
    x = 1,288,213.51

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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.