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Finding the Fourth Proportional to 303,842.75, 454,943.99 and 203,787.50

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Solution

The fourth proportional to 303,842.75, 454,943.99 and 203,787.50 is: 305,131.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,842.75 : 454,943.99 = 203,787.50 : x
  2. Step 2: Convert to fraction form
    303,842.75/454,943.99 = 203,787.50/x
  3. Step 3: Cross multiply
    303,842.75x = 454,943.99 × 203,787.50
  4. Step 4: Simplify right side
    303,842.75x = 92,711,896,596.87
  5. Step 5: Solve for x
    x = 92,711,896,596.87/303,842.75
  6. Step 6: Final answer
    x = 305,131.18

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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.