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Finding the Fourth Proportional to 627,955.80, 941,760.90 and 254,016.60

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Solution

The fourth proportional to 627,955.80, 941,760.90 and 254,016.60 is: 380,955.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,955.80 : 941,760.90 = 254,016.60 : x
  2. Step 2: Convert to fraction form
    627,955.80/941,760.90 = 254,016.60/x
  3. Step 3: Cross multiply
    627,955.80x = 941,760.90 × 254,016.60
  4. Step 4: Simplify right side
    627,955.80x = 239,222,901,830.94
  5. Step 5: Solve for x
    x = 239,222,901,830.94/627,955.80
  6. Step 6: Final answer
    x = 380,955.00

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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.