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Finding the Fourth Proportional to 329,824.40, 494,736.60 and 245,843.60

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Solution

The fourth proportional to 329,824.40, 494,736.60 and 245,843.60 is: 368,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,824.40 : 494,736.60 = 245,843.60 : x
  2. Step 2: Convert to fraction form
    329,824.40/494,736.60 = 245,843.60/x
  3. Step 3: Cross multiply
    329,824.40x = 494,736.60 × 245,843.60
  4. Step 4: Simplify right side
    329,824.40x = 121,627,826,795.76
  5. Step 5: Solve for x
    x = 121,627,826,795.76/329,824.40
  6. Step 6: Final answer
    x = 368,765.40

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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.