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Finding the Fourth Proportional to 2,978,054.24, 4,455,808.68 and 1,764,282.44

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Solution

The fourth proportional to 2,978,054.24, 4,455,808.68 and 1,764,282.44 is: 2,639,745.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,054.24 : 4,455,808.68 = 1,764,282.44 : x
  2. Step 2: Convert to fraction form
    2,978,054.24/4,455,808.68 = 1,764,282.44/x
  3. Step 3: Cross multiply
    2,978,054.24x = 4,455,808.68 × 1,764,282.44
  4. Step 4: Simplify right side
    2,978,054.24x = 7,861,305,010,123.58
  5. Step 5: Solve for x
    x = 7,861,305,010,123.58/2,978,054.24
  6. Step 6: Final answer
    x = 2,639,745.41

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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.