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Finding the Fourth Proportional to 605,940.12, 908,600.42 and 200,986.14

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Solution

The fourth proportional to 605,940.12, 908,600.42 and 200,986.14 is: 301,376.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,940.12 : 908,600.42 = 200,986.14 : x
  2. Step 2: Convert to fraction form
    605,940.12/908,600.42 = 200,986.14/x
  3. Step 3: Cross multiply
    605,940.12x = 908,600.42 × 200,986.14
  4. Step 4: Simplify right side
    605,940.12x = 182,616,090,213.25
  5. Step 5: Solve for x
    x = 182,616,090,213.25/605,940.12
  6. Step 6: Final answer
    x = 301,376.46

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1.5x scale

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.