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Finding the Fourth Proportional to 303,898.75, 419,380.29 and 169,762.75

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Solution

The fourth proportional to 303,898.75, 419,380.29 and 169,762.75 is: 234,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,898.75 : 419,380.29 = 169,762.75 : x
  2. Step 2: Convert to fraction form
    303,898.75/419,380.29 = 169,762.75/x
  3. Step 3: Cross multiply
    303,898.75x = 419,380.29 × 169,762.75
  4. Step 4: Simplify right side
    303,898.75x = 71,195,151,326.20
  5. Step 5: Solve for x
    x = 71,195,151,326.20/303,898.75
  6. Step 6: Final answer
    x = 234,272.60

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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.