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Finding the Fourth Proportional to 303,209.37, 454,912.47 and 145,450.17

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Solution

The fourth proportional to 303,209.37, 454,912.47 and 145,450.17 is: 218,222.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,209.37 : 454,912.47 = 145,450.17 : x
  2. Step 2: Convert to fraction form
    303,209.37/454,912.47 = 145,450.17/x
  3. Step 3: Cross multiply
    303,209.37x = 454,912.47 × 145,450.17
  4. Step 4: Simplify right side
    303,209.37x = 66,167,096,096.62
  5. Step 5: Solve for x
    x = 66,167,096,096.62/303,209.37
  6. Step 6: Final answer
    x = 218,222.46

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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.