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Finding the Fourth Proportional to 329,353.45, 454,507.86 and 178,450.45

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Solution

The fourth proportional to 329,353.45, 454,507.86 and 178,450.45 is: 246,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,353.45 : 454,507.86 = 178,450.45 : x
  2. Step 2: Convert to fraction form
    329,353.45/454,507.86 = 178,450.45/x
  3. Step 3: Cross multiply
    329,353.45x = 454,507.86 × 178,450.45
  4. Step 4: Simplify right side
    329,353.45x = 81,107,132,145.54
  5. Step 5: Solve for x
    x = 81,107,132,145.54/329,353.45
  6. Step 6: Final answer
    x = 246,261.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.