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Finding the Fourth Proportional to 3,189,052, 4,783,595.28 and 825,148

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Solution

The fourth proportional to 3,189,052, 4,783,595.28 and 825,148 is: 1,237,726.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,052 : 4,783,595.28 = 825,148 : x
  2. Step 2: Convert to fraction form
    3,189,052/4,783,595.28 = 825,148/x
  3. Step 3: Cross multiply
    3,189,052x = 4,783,595.28 × 825,148
  4. Step 4: Simplify right side
    3,189,052x = 3,947,174,078,101.44
  5. Step 5: Solve for x
    x = 3,947,174,078,101.44/3,189,052
  6. Step 6: Final answer
    x = 1,237,726.47

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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.