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Finding the Fourth Proportional to 681,573.52, 1,022,544.32 and 208,246

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Solution

The fourth proportional to 681,573.52, 1,022,544.32 and 208,246 is: 312,425.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,573.52 : 1,022,544.32 = 208,246 : x
  2. Step 2: Convert to fraction form
    681,573.52/1,022,544.32 = 208,246/x
  3. Step 3: Cross multiply
    681,573.52x = 1,022,544.32 × 208,246
  4. Step 4: Simplify right side
    681,573.52x = 212,940,764,462.72
  5. Step 5: Solve for x
    x = 212,940,764,462.72/681,573.52
  6. Step 6: Final answer
    x = 312,425.23

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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.