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Finding the Fourth Proportional to 341,628.57, 512,467.43 and 131,266.44

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Solution

The fourth proportional to 341,628.57, 512,467.43 and 131,266.44 is: 196,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,628.57 : 512,467.43 = 131,266.44 : x
  2. Step 2: Convert to fraction form
    341,628.57/512,467.43 = 131,266.44/x
  3. Step 3: Cross multiply
    341,628.57x = 512,467.43 × 131,266.44
  4. Step 4: Simplify right side
    341,628.57x = 67,269,774,495.72
  5. Step 5: Solve for x
    x = 67,269,774,495.72/341,628.57
  6. Step 6: Final answer
    x = 196,909.10

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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.