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Finding the Fourth Proportional to 341,274.28, 511,986.12 and 104,635.42

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Solution

The fourth proportional to 341,274.28, 511,986.12 and 104,635.42 is: 156,976.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,274.28 : 511,986.12 = 104,635.42 : x
  2. Step 2: Convert to fraction form
    341,274.28/511,986.12 = 104,635.42/x
  3. Step 3: Cross multiply
    341,274.28x = 511,986.12 × 104,635.42
  4. Step 4: Simplify right side
    341,274.28x = 53,571,882,700.37
  5. Step 5: Solve for x
    x = 53,571,882,700.37/341,274.28
  6. Step 6: Final answer
    x = 156,976.03

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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.