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Finding the Fourth Proportional to 370,498.50, 511,288.44 and 200,732.64

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Solution

The fourth proportional to 370,498.50, 511,288.44 and 200,732.64 is: 277,011.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,498.50 : 511,288.44 = 200,732.64 : x
  2. Step 2: Convert to fraction form
    370,498.50/511,288.44 = 200,732.64/x
  3. Step 3: Cross multiply
    370,498.50x = 511,288.44 × 200,732.64
  4. Step 4: Simplify right side
    370,498.50x = 102,632,278,362.68
  5. Step 5: Solve for x
    x = 102,632,278,362.68/370,498.50
  6. Step 6: Final answer
    x = 277,011.32

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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.