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Finding the Fourth Proportional to 341,636.10, 512,672.85 and 199,481.10

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Solution

The fourth proportional to 341,636.10, 512,672.85 and 199,481.10 is: 299,349.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,636.10 : 512,672.85 = 199,481.10 : x
  2. Step 2: Convert to fraction form
    341,636.10/512,672.85 = 199,481.10/x
  3. Step 3: Cross multiply
    341,636.10x = 512,672.85 × 199,481.10
  4. Step 4: Simplify right side
    341,636.10x = 102,268,544,058.14
  5. Step 5: Solve for x
    x = 102,268,544,058.14/341,636.10
  6. Step 6: Final answer
    x = 299,349.35

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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.