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Finding the Fourth Proportional to 347,889.82, 480,081.74 and 194,927.40

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Solution

The fourth proportional to 347,889.82, 480,081.74 and 194,927.40 is: 268,996.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,889.82 : 480,081.74 = 194,927.40 : x
  2. Step 2: Convert to fraction form
    347,889.82/480,081.74 = 194,927.40/x
  3. Step 3: Cross multiply
    347,889.82x = 480,081.74 × 194,927.40
  4. Step 4: Simplify right side
    347,889.82x = 93,581,085,365.68
  5. Step 5: Solve for x
    x = 93,581,085,365.68/347,889.82
  6. Step 6: Final answer
    x = 268,996.33

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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.