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Finding the Fourth Proportional to 396,953.73, 596,611.64 and 186,739.29

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Solution

The fourth proportional to 396,953.73, 596,611.64 and 186,739.29 is: 280,664.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,953.73 : 596,611.64 = 186,739.29 : x
  2. Step 2: Convert to fraction form
    396,953.73/596,611.64 = 186,739.29/x
  3. Step 3: Cross multiply
    396,953.73x = 596,611.64 × 186,739.29
  4. Step 4: Simplify right side
    396,953.73x = 111,410,834,059.34
  5. Step 5: Solve for x
    x = 111,410,834,059.34/396,953.73
  6. Step 6: Final answer
    x = 280,664.54

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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.