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Finding the Fourth Proportional to 343,147.37, 514,230.80 and 150,791.60

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Solution

The fourth proportional to 343,147.37, 514,230.80 and 150,791.60 is: 225,971.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,147.37 : 514,230.80 = 150,791.60 : x
  2. Step 2: Convert to fraction form
    343,147.37/514,230.80 = 150,791.60/x
  3. Step 3: Cross multiply
    343,147.37x = 514,230.80 × 150,791.60
  4. Step 4: Simplify right side
    343,147.37x = 77,541,685,632.90
  5. Step 5: Solve for x
    x = 77,541,685,632.90/343,147.37
  6. Step 6: Final answer
    x = 225,971.97

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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.