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Finding the Fourth Proportional to 2,541,664.80, 3,812,497.20 and 858,768.30

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Solution

The fourth proportional to 2,541,664.80, 3,812,497.20 and 858,768.30 is: 1,288,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541,664.80 : 3,812,497.20 = 858,768.30 : x
  2. Step 2: Convert to fraction form
    2,541,664.80/3,812,497.20 = 858,768.30/x
  3. Step 3: Cross multiply
    2,541,664.80x = 3,812,497.20 × 858,768.30
  4. Step 4: Simplify right side
    2,541,664.80x = 3,274,051,739,198.76
  5. Step 5: Solve for x
    x = 3,274,051,739,198.76/2,541,664.80
  6. Step 6: Final answer
    x = 1,288,152.45

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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.