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Finding the Fourth Proportional to 324,096.60, 485,270.10 and 254,112.60

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Solution

The fourth proportional to 324,096.60, 485,270.10 and 254,112.60 is: 380,483.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,096.60 : 485,270.10 = 254,112.60 : x
  2. Step 2: Convert to fraction form
    324,096.60/485,270.10 = 254,112.60/x
  3. Step 3: Cross multiply
    324,096.60x = 485,270.10 × 254,112.60
  4. Step 4: Simplify right side
    324,096.60x = 123,313,246,813.26
  5. Step 5: Solve for x
    x = 123,313,246,813.26/324,096.60
  6. Step 6: Final answer
    x = 380,483.00

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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.