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Finding the Fourth Proportional to 262,348.44, 393,544.30 and 84,883.96

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Solution

The fourth proportional to 262,348.44, 393,544.30 and 84,883.96 is: 127,332.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,348.44 : 393,544.30 = 84,883.96 : x
  2. Step 2: Convert to fraction form
    262,348.44/393,544.30 = 84,883.96/x
  3. Step 3: Cross multiply
    262,348.44x = 393,544.30 × 84,883.96
  4. Step 4: Simplify right side
    262,348.44x = 33,405,598,619.43
  5. Step 5: Solve for x
    x = 33,405,598,619.43/262,348.44
  6. Step 6: Final answer
    x = 127,332.94

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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.