Home / 370,481.14-511,266.43-200,715.27

Finding the Fourth Proportional to 370,481.14, 511,266.43 and 200,715.27

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Solution

The fourth proportional to 370,481.14, 511,266.43 and 200,715.27 is: 276,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,481.14 : 511,266.43 = 200,715.27 : x
  2. Step 2: Convert to fraction form
    370,481.14/511,266.43 = 200,715.27/x
  3. Step 3: Cross multiply
    370,481.14x = 511,266.43 × 200,715.27
  4. Step 4: Simplify right side
    370,481.14x = 102,618,976,983.05
  5. Step 5: Solve for x
    x = 102,618,976,983.05/370,481.14
  6. Step 6: Final answer
    x = 276,988.40

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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.