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Finding the Fourth Proportional to 370,338.30, 511,064.31 and 200,569.02

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Solution

The fourth proportional to 370,338.30, 511,064.31 and 200,569.02 is: 276,783.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,338.30 : 511,064.31 = 200,569.02 : x
  2. Step 2: Convert to fraction form
    370,338.30/511,064.31 = 200,569.02/x
  3. Step 3: Cross multiply
    370,338.30x = 511,064.31 × 200,569.02
  4. Step 4: Simplify right side
    370,338.30x = 102,503,667,813.68
  5. Step 5: Solve for x
    x = 102,503,667,813.68/370,338.30
  6. Step 6: Final answer
    x = 276,783.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.