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Finding the Fourth Proportional to 327,085.16, 490,627.73 and 102,447.45

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Solution

The fourth proportional to 327,085.16, 490,627.73 and 102,447.45 is: 153,671.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,085.16 : 490,627.73 = 102,447.45 : x
  2. Step 2: Convert to fraction form
    327,085.16/490,627.73 = 102,447.45/x
  3. Step 3: Cross multiply
    327,085.16x = 490,627.73 × 102,447.45
  4. Step 4: Simplify right side
    327,085.16x = 50,263,560,093.91
  5. Step 5: Solve for x
    x = 50,263,560,093.91/327,085.16
  6. Step 6: Final answer
    x = 153,671.18

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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.