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Finding the Fourth Proportional to 301,623.90, 416,136.81 and 192,791.90

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Solution

The fourth proportional to 301,623.90, 416,136.81 and 192,791.90 is: 265,986.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,623.90 : 416,136.81 = 192,791.90 : x
  2. Step 2: Convert to fraction form
    301,623.90/416,136.81 = 192,791.90/x
  3. Step 3: Cross multiply
    301,623.90x = 416,136.81 × 192,791.90
  4. Step 4: Simplify right side
    301,623.90x = 80,227,804,179.15
  5. Step 5: Solve for x
    x = 80,227,804,179.15/301,623.90
  6. Step 6: Final answer
    x = 265,986.23

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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.