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Finding the Fourth Proportional to 655,633.77, 982,948.46 and 206,094.57

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Solution

The fourth proportional to 655,633.77, 982,948.46 and 206,094.57 is: 308,983.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,633.77 : 982,948.46 = 206,094.57 : x
  2. Step 2: Convert to fraction form
    655,633.77/982,948.46 = 206,094.57/x
  3. Step 3: Cross multiply
    655,633.77x = 982,948.46 × 206,094.57
  4. Step 4: Simplify right side
    655,633.77x = 202,580,339,165.39
  5. Step 5: Solve for x
    x = 202,580,339,165.39/655,633.77
  6. Step 6: Final answer
    x = 308,983.99

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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.