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Finding the Fourth Proportional to 6,392,762.40, 9,594,586.80 and 2,608,960.80

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Solution

The fourth proportional to 6,392,762.40, 9,594,586.80 and 2,608,960.80 is: 3,915,662.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392,762.40 : 9,594,586.80 = 2,608,960.80 : x
  2. Step 2: Convert to fraction form
    6,392,762.40/9,594,586.80 = 2,608,960.80/x
  3. Step 3: Cross multiply
    6,392,762.40x = 9,594,586.80 × 2,608,960.80
  4. Step 4: Simplify right side
    6,392,762.40x = 25,031,900,853,397.44
  5. Step 5: Solve for x
    x = 25,031,900,853,397.44/6,392,762.40
  6. Step 6: Final answer
    x = 3,915,662.63

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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.