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Finding the Fourth Proportional to 655,636.02, 982,951.83 and 206,096.82

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Solution

The fourth proportional to 655,636.02, 982,951.83 and 206,096.82 is: 308,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,636.02 : 982,951.83 = 206,096.82 : x
  2. Step 2: Convert to fraction form
    655,636.02/982,951.83 = 206,096.82/x
  3. Step 3: Cross multiply
    655,636.02x = 982,951.83 × 206,096.82
  4. Step 4: Simplify right side
    655,636.02x = 202,583,246,376.18
  5. Step 5: Solve for x
    x = 202,583,246,376.18/655,636.02
  6. Step 6: Final answer
    x = 308,987.37

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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.