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Finding the Fourth Proportional to 303,633.50, 419,014.24 and 169,497.50

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Solution

The fourth proportional to 303,633.50, 419,014.24 and 169,497.50 is: 233,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,633.50 : 419,014.24 = 169,497.50 : x
  2. Step 2: Convert to fraction form
    303,633.50/419,014.24 = 169,497.50/x
  3. Step 3: Cross multiply
    303,633.50x = 419,014.24 × 169,497.50
  4. Step 4: Simplify right side
    303,633.50x = 71,021,866,144.40
  5. Step 5: Solve for x
    x = 71,021,866,144.40/303,633.50
  6. Step 6: Final answer
    x = 233,906.56

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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.