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Finding the Fourth Proportional to 422,469.48, 632,887.62 and 234,912.36

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Solution

The fourth proportional to 422,469.48, 632,887.62 and 234,912.36 is: 351,914.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,469.48 : 632,887.62 = 234,912.36 : x
  2. Step 2: Convert to fraction form
    422,469.48/632,887.62 = 234,912.36/x
  3. Step 3: Cross multiply
    422,469.48x = 632,887.62 × 234,912.36
  4. Step 4: Simplify right side
    422,469.48x = 148,673,124,428.98
  5. Step 5: Solve for x
    x = 148,673,124,428.98/422,469.48
  6. Step 6: Final answer
    x = 351,914.47

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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.