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Finding the Fourth Proportional to 1,943,200.06, 2,914,168.56 and 646,004.23

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Solution

The fourth proportional to 1,943,200.06, 2,914,168.56 and 646,004.23 is: 968,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,200.06 : 2,914,168.56 = 646,004.23 : x
  2. Step 2: Convert to fraction form
    1,943,200.06/2,914,168.56 = 646,004.23/x
  3. Step 3: Cross multiply
    1,943,200.06x = 2,914,168.56 × 646,004.23
  4. Step 4: Simplify right side
    1,943,200.06x = 1,882,565,206,985.07
  5. Step 5: Solve for x
    x = 1,882,565,206,985.07/1,943,200.06
  6. Step 6: Final answer
    x = 968,796.39

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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.