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Finding the Fourth Proportional to 655,773.77, 983,695.76 and 206,529.62

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Solution

The fourth proportional to 655,773.77, 983,695.76 and 206,529.62 is: 309,805.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,773.77 : 983,695.76 = 206,529.62 : x
  2. Step 2: Convert to fraction form
    655,773.77/983,695.76 = 206,529.62/x
  3. Step 3: Cross multiply
    655,773.77x = 983,695.76 × 206,529.62
  4. Step 4: Simplify right side
    655,773.77x = 203,162,305,557.28
  5. Step 5: Solve for x
    x = 203,162,305,557.28/655,773.77
  6. Step 6: Final answer
    x = 309,805.48

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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.