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Finding the Fourth Proportional to 340,797.28, 511,287.96 and 104,133.48

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Solution

The fourth proportional to 340,797.28, 511,287.96 and 104,133.48 is: 156,228.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,797.28 : 511,287.96 = 104,133.48 : x
  2. Step 2: Convert to fraction form
    340,797.28/511,287.96 = 104,133.48/x
  3. Step 3: Cross multiply
    340,797.28x = 511,287.96 × 104,133.48
  4. Step 4: Simplify right side
    340,797.28x = 53,242,194,556.90
  5. Step 5: Solve for x
    x = 53,242,194,556.90/340,797.28
  6. Step 6: Final answer
    x = 156,228.34

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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.