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Finding the Fourth Proportional to 265,004.40, 396,988.20 and 181,023.60

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Solution

The fourth proportional to 265,004.40, 396,988.20 and 181,023.60 is: 271,181.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,004.40 : 396,988.20 = 181,023.60 : x
  2. Step 2: Convert to fraction form
    265,004.40/396,988.20 = 181,023.60/x
  3. Step 3: Cross multiply
    265,004.40x = 396,988.20 × 181,023.60
  4. Step 4: Simplify right side
    265,004.40x = 71,864,233,121.52
  5. Step 5: Solve for x
    x = 71,864,233,121.52/265,004.40
  6. Step 6: Final answer
    x = 271,181.28

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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.