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Finding the Fourth Proportional to 341,578.40, 512,367.60 and 336,329.60

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Solution

The fourth proportional to 341,578.40, 512,367.60 and 336,329.60 is: 504,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,578.40 : 512,367.60 = 336,329.60 : x
  2. Step 2: Convert to fraction form
    341,578.40/512,367.60 = 336,329.60/x
  3. Step 3: Cross multiply
    341,578.40x = 512,367.60 × 336,329.60
  4. Step 4: Simplify right side
    341,578.40x = 172,324,389,960.96
  5. Step 5: Solve for x
    x = 172,324,389,960.96/341,578.40
  6. Step 6: Final answer
    x = 504,494.40

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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.