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Finding the Fourth Proportional to 655,772.77, 983,694.25 and 206,528.62

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Solution

The fourth proportional to 655,772.77, 983,694.25 and 206,528.62 is: 309,803.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,772.77 : 983,694.25 = 206,528.62 : x
  2. Step 2: Convert to fraction form
    655,772.77/983,694.25 = 206,528.62/x
  3. Step 3: Cross multiply
    655,772.77x = 983,694.25 × 206,528.62
  4. Step 4: Simplify right side
    655,772.77x = 203,161,015,954.44
  5. Step 5: Solve for x
    x = 203,161,015,954.44/655,772.77
  6. Step 6: Final answer
    x = 309,803.98

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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.