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Finding the Fourth Proportional to 356,704.91, 492,252.63 and 195,556.50

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Solution

The fourth proportional to 356,704.91, 492,252.63 and 195,556.50 is: 269,867.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,704.91 : 492,252.63 = 195,556.50 : x
  2. Step 2: Convert to fraction form
    356,704.91/492,252.63 = 195,556.50/x
  3. Step 3: Cross multiply
    356,704.91x = 492,252.63 × 195,556.50
  4. Step 4: Simplify right side
    356,704.91x = 96,263,201,438.60
  5. Step 5: Solve for x
    x = 96,263,201,438.60/356,704.91
  6. Step 6: Final answer
    x = 269,867.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.