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Finding the Fourth Proportional to 200,393.07, 300,792.16 and 177,745.42

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Solution

The fourth proportional to 200,393.07, 300,792.16 and 177,745.42 is: 266,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,393.07 : 300,792.16 = 177,745.42 : x
  2. Step 2: Convert to fraction form
    200,393.07/300,792.16 = 177,745.42/x
  3. Step 3: Cross multiply
    200,393.07x = 300,792.16 × 177,745.42
  4. Step 4: Simplify right side
    200,393.07x = 53,464,427,218.21
  5. Step 5: Solve for x
    x = 53,464,427,218.21/200,393.07
  6. Step 6: Final answer
    x = 266,797.78

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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.