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Finding the Fourth Proportional to 329,942.40, 494,913.60 and 246,998.40

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Solution

The fourth proportional to 329,942.40, 494,913.60 and 246,998.40 is: 370,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,942.40 : 494,913.60 = 246,998.40 : x
  2. Step 2: Convert to fraction form
    329,942.40/494,913.60 = 246,998.40/x
  3. Step 3: Cross multiply
    329,942.40x = 494,913.60 × 246,998.40
  4. Step 4: Simplify right side
    329,942.40x = 122,242,867,338.24
  5. Step 5: Solve for x
    x = 122,242,867,338.24/329,942.40
  6. Step 6: Final answer
    x = 370,497.60

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Similar ratio
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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.