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Finding the Fourth Proportional to 404,336.40, 606,504.60 and 246,872.40

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Solution

The fourth proportional to 404,336.40, 606,504.60 and 246,872.40 is: 370,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,336.40 : 606,504.60 = 246,872.40 : x
  2. Step 2: Convert to fraction form
    404,336.40/606,504.60 = 246,872.40/x
  3. Step 3: Cross multiply
    404,336.40x = 606,504.60 × 246,872.40
  4. Step 4: Simplify right side
    404,336.40x = 149,729,246,213.04
  5. Step 5: Solve for x
    x = 149,729,246,213.04/404,336.40
  6. Step 6: Final answer
    x = 370,308.60

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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.