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Finding the Fourth Proportional to 3,226,563.51, 4,839,978.78 and 952,087.88

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Solution

The fourth proportional to 3,226,563.51, 4,839,978.78 and 952,087.88 is: 1,428,171.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226,563.51 : 4,839,978.78 = 952,087.88 : x
  2. Step 2: Convert to fraction form
    3,226,563.51/4,839,978.78 = 952,087.88/x
  3. Step 3: Cross multiply
    3,226,563.51x = 4,839,978.78 × 952,087.88
  4. Step 4: Simplify right side
    3,226,563.51x = 4,608,085,111,695.29
  5. Step 5: Solve for x
    x = 4,608,085,111,695.29/3,226,563.51
  6. Step 6: Final answer
    x = 1,428,171.21

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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.