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Finding the Fourth Proportional to 356,704.66, 492,252.28 and 195,556.25

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Solution

The fourth proportional to 356,704.66, 492,252.28 and 195,556.25 is: 269,867.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,704.66 : 492,252.28 = 195,556.25 : x
  2. Step 2: Convert to fraction form
    356,704.66/492,252.28 = 195,556.25/x
  3. Step 3: Cross multiply
    356,704.66x = 492,252.28 × 195,556.25
  4. Step 4: Simplify right side
    356,704.66x = 96,263,009,930.75
  5. Step 5: Solve for x
    x = 96,263,009,930.75/356,704.66
  6. Step 6: Final answer
    x = 269,867.54

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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.