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Finding the Fourth Proportional to 627,704.60, 941,513.70 and 201,234.20

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Solution

The fourth proportional to 627,704.60, 941,513.70 and 201,234.20 is: 301,837.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,704.60 : 941,513.70 = 201,234.20 : x
  2. Step 2: Convert to fraction form
    627,704.60/941,513.70 = 201,234.20/x
  3. Step 3: Cross multiply
    627,704.60x = 941,513.70 × 201,234.20
  4. Step 4: Simplify right side
    627,704.60x = 189,464,756,208.54
  5. Step 5: Solve for x
    x = 189,464,756,208.54/627,704.60
  6. Step 6: Final answer
    x = 301,837.45

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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.