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Finding the Fourth Proportional to 3,571,704.81, 4,929,044.33 and 1,940,205.56

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Solution

The fourth proportional to 3,571,704.81, 4,929,044.33 and 1,940,205.56 is: 2,677,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571,704.81 : 4,929,044.33 = 1,940,205.56 : x
  2. Step 2: Convert to fraction form
    3,571,704.81/4,929,044.33 = 1,940,205.56/x
  3. Step 3: Cross multiply
    3,571,704.81x = 4,929,044.33 × 1,940,205.56
  4. Step 4: Simplify right side
    3,571,704.81x = 9,563,359,180,206.23
  5. Step 5: Solve for x
    x = 9,563,359,180,206.23/3,571,704.81
  6. Step 6: Final answer
    x = 2,677,533.47

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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.