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Finding the Fourth Proportional to 655,797.58, 983,731.60 and 206,553.61

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Solution

The fourth proportional to 655,797.58, 983,731.60 and 206,553.61 is: 309,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,797.58 : 983,731.60 = 206,553.61 : x
  2. Step 2: Convert to fraction form
    655,797.58/983,731.60 = 206,553.61/x
  3. Step 3: Cross multiply
    655,797.58x = 983,731.60 × 206,553.61
  4. Step 4: Simplify right side
    655,797.58x = 203,193,314,738.93
  5. Step 5: Solve for x
    x = 203,193,314,738.93/655,797.58
  6. Step 6: Final answer
    x = 309,841.51

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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.