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Finding the Fourth Proportional to 262,860.78, 362,747.49 and 149,683.56

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Solution

The fourth proportional to 262,860.78, 362,747.49 and 149,683.56 is: 206,563.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,860.78 : 362,747.49 = 149,683.56 : x
  2. Step 2: Convert to fraction form
    262,860.78/362,747.49 = 149,683.56/x
  3. Step 3: Cross multiply
    262,860.78x = 362,747.49 × 149,683.56
  4. Step 4: Simplify right side
    262,860.78x = 54,297,335,684.26
  5. Step 5: Solve for x
    x = 54,297,335,684.26/262,860.78
  6. Step 6: Final answer
    x = 206,563.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.