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Finding the Fourth Proportional to 893,927.70, 1,340,891.55 and 893,927.70

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Solution

The fourth proportional to 893,927.70, 1,340,891.55 and 893,927.70 is: 1,340,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,927.70 : 1,340,891.55 = 893,927.70 : x
  2. Step 2: Convert to fraction form
    893,927.70/1,340,891.55 = 893,927.70/x
  3. Step 3: Cross multiply
    893,927.70x = 1,340,891.55 × 893,927.70
  4. Step 4: Simplify right side
    893,927.70x = 1,198,660,099,240.94
  5. Step 5: Solve for x
    x = 1,198,660,099,240.94/893,927.70
  6. Step 6: Final answer
    x = 1,340,891.55

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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.