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Finding the Fourth Proportional to 1,942,927.07, 2,914,396.02 and 745,216.52

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Solution

The fourth proportional to 1,942,927.07, 2,914,396.02 and 745,216.52 is: 1,117,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,927.07 : 2,914,396.02 = 745,216.52 : x
  2. Step 2: Convert to fraction form
    1,942,927.07/2,914,396.02 = 745,216.52/x
  3. Step 3: Cross multiply
    1,942,927.07x = 2,914,396.02 × 745,216.52
  4. Step 4: Simplify right side
    1,942,927.07x = 2,171,856,045,354.27
  5. Step 5: Solve for x
    x = 2,171,856,045,354.27/1,942,927.07
  6. Step 6: Final answer
    x = 1,117,826.85

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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.