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Finding the Fourth Proportional to 370,662.56, 511,516.86 and 200,899.52

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Solution

The fourth proportional to 370,662.56, 511,516.86 and 200,899.52 is: 277,242.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,662.56 : 511,516.86 = 200,899.52 : x
  2. Step 2: Convert to fraction form
    370,662.56/511,516.86 = 200,899.52/x
  3. Step 3: Cross multiply
    370,662.56x = 511,516.86 × 200,899.52
  4. Step 4: Simplify right side
    370,662.56x = 102,763,491,645.91
  5. Step 5: Solve for x
    x = 102,763,491,645.91/370,662.56
  6. Step 6: Final answer
    x = 277,242.71

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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.