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Finding the Fourth Proportional to 6,392,804.40, 9,594,649.80 and 2,609,002.80

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Solution

The fourth proportional to 6,392,804.40, 9,594,649.80 and 2,609,002.80 is: 3,915,725.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392,804.40 : 9,594,649.80 = 2,609,002.80 : x
  2. Step 2: Convert to fraction form
    6,392,804.40/9,594,649.80 = 2,609,002.80/x
  3. Step 3: Cross multiply
    6,392,804.40x = 9,594,649.80 × 2,609,002.80
  4. Step 4: Simplify right side
    6,392,804.40x = 25,032,468,193,219.44
  5. Step 5: Solve for x
    x = 25,032,468,193,219.44/6,392,804.40
  6. Step 6: Final answer
    x = 3,915,725.65

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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.