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Finding the Fourth Proportional to 663,097.88, 994,656.36 and 189,783.56

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Solution

The fourth proportional to 663,097.88, 994,656.36 and 189,783.56 is: 284,678.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,097.88 : 994,656.36 = 189,783.56 : x
  2. Step 2: Convert to fraction form
    663,097.88/994,656.36 = 189,783.56/x
  3. Step 3: Cross multiply
    663,097.88x = 994,656.36 × 189,783.56
  4. Step 4: Simplify right side
    663,097.88x = 188,769,424,977.44
  5. Step 5: Solve for x
    x = 188,769,424,977.44/663,097.88
  6. Step 6: Final answer
    x = 284,678.07

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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.