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Finding the Fourth Proportional to 341,481.20, 511,876.20 and 201,167.60

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Solution

The fourth proportional to 341,481.20, 511,876.20 and 201,167.60 is: 301,547.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,481.20 : 511,876.20 = 201,167.60 : x
  2. Step 2: Convert to fraction form
    341,481.20/511,876.20 = 201,167.60/x
  3. Step 3: Cross multiply
    341,481.20x = 511,876.20 × 201,167.60
  4. Step 4: Simplify right side
    341,481.20x = 102,972,906,651.12
  5. Step 5: Solve for x
    x = 102,972,906,651.12/341,481.20
  6. Step 6: Final answer
    x = 301,547.81

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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.