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Finding the Fourth Proportional to 370,724.34, 511,600.36 and 200,958.46

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Solution

The fourth proportional to 370,724.34, 511,600.36 and 200,958.46 is: 277,323.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,724.34 : 511,600.36 = 200,958.46 : x
  2. Step 2: Convert to fraction form
    370,724.34/511,600.36 = 200,958.46/x
  3. Step 3: Cross multiply
    370,724.34x = 511,600.36 × 200,958.46
  4. Step 4: Simplify right side
    370,724.34x = 102,810,420,481.05
  5. Step 5: Solve for x
    x = 102,810,420,481.05/370,724.34
  6. Step 6: Final answer
    x = 277,323.09

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1.5x scale

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.