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Finding the Fourth Proportional to 2,946,415, 4,419,609.90 and 816,493

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Solution

The fourth proportional to 2,946,415, 4,419,609.90 and 816,493 is: 1,224,736.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946,415 : 4,419,609.90 = 816,493 : x
  2. Step 2: Convert to fraction form
    2,946,415/4,419,609.90 = 816,493/x
  3. Step 3: Cross multiply
    2,946,415x = 4,419,609.90 × 816,493
  4. Step 4: Simplify right side
    2,946,415x = 3,608,580,546,080.70
  5. Step 5: Solve for x
    x = 3,608,580,546,080.70/2,946,415
  6. Step 6: Final answer
    x = 1,224,736.01

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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.