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Finding the Fourth Proportional to 474,540.36, 654,865.64 and 259,680.37

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Solution

The fourth proportional to 474,540.36, 654,865.64 and 259,680.37 is: 358,358.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,540.36 : 654,865.64 = 259,680.37 : x
  2. Step 2: Convert to fraction form
    474,540.36/654,865.64 = 259,680.37/x
  3. Step 3: Cross multiply
    474,540.36x = 654,865.64 × 259,680.37
  4. Step 4: Simplify right side
    474,540.36x = 170,055,751,695.49
  5. Step 5: Solve for x
    x = 170,055,751,695.49/474,540.36
  6. Step 6: Final answer
    x = 358,358.88

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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.