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Finding the Fourth Proportional to 3,339,317.76, 5,009,375.84 and 1,179,895.92

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Solution

The fourth proportional to 3,339,317.76, 5,009,375.84 and 1,179,895.92 is: 1,769,984.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339,317.76 : 5,009,375.84 = 1,179,895.92 : x
  2. Step 2: Convert to fraction form
    3,339,317.76/5,009,375.84 = 1,179,895.92/x
  3. Step 3: Cross multiply
    3,339,317.76x = 5,009,375.84 × 1,179,895.92
  4. Step 4: Simplify right side
    3,339,317.76x = 5,910,542,115,362.57
  5. Step 5: Solve for x
    x = 5,910,542,115,362.57/3,339,317.76
  6. Step 6: Final answer
    x = 1,769,984.93

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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.