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Finding the Fourth Proportional to 329,599.28, 494,446.28 and 101,912.64

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Solution

The fourth proportional to 329,599.28, 494,446.28 and 101,912.64 is: 152,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,599.28 : 494,446.28 = 101,912.64 : x
  2. Step 2: Convert to fraction form
    329,599.28/494,446.28 = 101,912.64/x
  3. Step 3: Cross multiply
    329,599.28x = 494,446.28 × 101,912.64
  4. Step 4: Simplify right side
    329,599.28x = 50,390,325,732.98
  5. Step 5: Solve for x
    x = 50,390,325,732.98/329,599.28
  6. Step 6: Final answer
    x = 152,883.60

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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.