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Finding the Fourth Proportional to 4,332,579.22, 5,978,722.35 and 2,590,283.80

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Solution

The fourth proportional to 4,332,579.22, 5,978,722.35 and 2,590,283.80 is: 3,574,449.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,332,579.22 : 5,978,722.35 = 2,590,283.80 : x
  2. Step 2: Convert to fraction form
    4,332,579.22/5,978,722.35 = 2,590,283.80/x
  3. Step 3: Cross multiply
    4,332,579.22x = 5,978,722.35 × 2,590,283.80
  4. Step 4: Simplify right side
    4,332,579.22x = 15,486,587,647,902.93
  5. Step 5: Solve for x
    x = 15,486,587,647,902.93/4,332,579.22
  6. Step 6: Final answer
    x = 3,574,449.97

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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.