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Finding the Fourth Proportional to 627,643.28, 941,471.50 and 248,656.26

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Solution

The fourth proportional to 627,643.28, 941,471.50 and 248,656.26 is: 372,987.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,643.28 : 941,471.50 = 248,656.26 : x
  2. Step 2: Convert to fraction form
    627,643.28/941,471.50 = 248,656.26/x
  3. Step 3: Cross multiply
    627,643.28x = 941,471.50 × 248,656.26
  4. Step 4: Simplify right side
    627,643.28x = 234,102,782,086.59
  5. Step 5: Solve for x
    x = 234,102,782,086.59/627,643.28
  6. Step 6: Final answer
    x = 372,987.00

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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.