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Finding the Fourth Proportional to 627,772.98, 941,517.60 and 178,483.98

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Solution

The fourth proportional to 627,772.98, 941,517.60 and 178,483.98 is: 267,685.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,772.98 : 941,517.60 = 178,483.98 : x
  2. Step 2: Convert to fraction form
    627,772.98/941,517.60 = 178,483.98/x
  3. Step 3: Cross multiply
    627,772.98x = 941,517.60 × 178,483.98
  4. Step 4: Simplify right side
    627,772.98x = 168,045,808,488.05
  5. Step 5: Solve for x
    x = 168,045,808,488.05/627,772.98
  6. Step 6: Final answer
    x = 267,685.63

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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.