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Finding the Fourth Proportional to 454,611.83, 681,917.74 and 453,955.73

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Solution

The fourth proportional to 454,611.83, 681,917.74 and 453,955.73 is: 680,933.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,611.83 : 681,917.74 = 453,955.73 : x
  2. Step 2: Convert to fraction form
    454,611.83/681,917.74 = 453,955.73/x
  3. Step 3: Cross multiply
    454,611.83x = 681,917.74 × 453,955.73
  4. Step 4: Simplify right side
    454,611.83x = 309,560,464,891.75
  5. Step 5: Solve for x
    x = 309,560,464,891.75/454,611.83
  6. Step 6: Final answer
    x = 680,933.59

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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.