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Finding the Fourth Proportional to 370,557.45, 511,371.05 and 200,791.89

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Solution

The fourth proportional to 370,557.45, 511,371.05 and 200,791.89 is: 277,093.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,557.45 : 511,371.05 = 200,791.89 : x
  2. Step 2: Convert to fraction form
    370,557.45/511,371.05 = 200,791.89/x
  3. Step 3: Cross multiply
    370,557.45x = 511,371.05 × 200,791.89
  4. Step 4: Simplify right side
    370,557.45x = 102,679,159,620.79
  5. Step 5: Solve for x
    x = 102,679,159,620.79/370,557.45
  6. Step 6: Final answer
    x = 277,093.77

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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.