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Finding the Fourth Proportional to 627,641.28, 941,468.49 and 248,654.25

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Solution

The fourth proportional to 627,641.28, 941,468.49 and 248,654.25 is: 372,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,641.28 : 941,468.49 = 248,654.25 : x
  2. Step 2: Convert to fraction form
    627,641.28/941,468.49 = 248,654.25/x
  3. Step 3: Cross multiply
    627,641.28x = 941,468.49 × 248,654.25
  4. Step 4: Simplify right side
    627,641.28x = 234,100,141,279.58
  5. Step 5: Solve for x
    x = 234,100,141,279.58/627,641.28
  6. Step 6: Final answer
    x = 372,983.98

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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.