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Finding the Fourth Proportional to 358,608.28, 537,996.66 and 200,945.56

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Solution

The fourth proportional to 358,608.28, 537,996.66 and 200,945.56 is: 301,465.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,608.28 : 537,996.66 = 200,945.56 : x
  2. Step 2: Convert to fraction form
    358,608.28/537,996.66 = 200,945.56/x
  3. Step 3: Cross multiply
    358,608.28x = 537,996.66 × 200,945.56
  4. Step 4: Simplify right side
    358,608.28x = 108,108,040,121.83
  5. Step 5: Solve for x
    x = 108,108,040,121.83/358,608.28
  6. Step 6: Final answer
    x = 301,465.54

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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.