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Finding the Fourth Proportional to 329,863.40, 494,795.10 and 245,882.60

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Solution

The fourth proportional to 329,863.40, 494,795.10 and 245,882.60 is: 368,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,863.40 : 494,795.10 = 245,882.60 : x
  2. Step 2: Convert to fraction form
    329,863.40/494,795.10 = 245,882.60/x
  3. Step 3: Cross multiply
    329,863.40x = 494,795.10 × 245,882.60
  4. Step 4: Simplify right side
    329,863.40x = 121,661,505,655.26
  5. Step 5: Solve for x
    x = 121,661,505,655.26/329,863.40
  6. Step 6: Final answer
    x = 368,823.90

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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.