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Finding the Fourth Proportional to 4,668,978.96, 7,006,618.80 and 1,828,736.64

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Solution

The fourth proportional to 4,668,978.96, 7,006,618.80 and 1,828,736.64 is: 2,744,338.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668,978.96 : 7,006,618.80 = 1,828,736.64 : x
  2. Step 2: Convert to fraction form
    4,668,978.96/7,006,618.80 = 1,828,736.64/x
  3. Step 3: Cross multiply
    4,668,978.96x = 7,006,618.80 × 1,828,736.64
  4. Step 4: Simplify right side
    4,668,978.96x = 12,813,260,522,072.83
  5. Step 5: Solve for x
    x = 12,813,260,522,072.83/4,668,978.96
  6. Step 6: Final answer
    x = 2,744,338.89

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