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Finding the Fourth Proportional to 376,246.58, 519,072.46 and 215,015.13

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Solution

The fourth proportional to 376,246.58, 519,072.46 and 215,015.13 is: 296,636.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,246.58 : 519,072.46 = 215,015.13 : x
  2. Step 2: Convert to fraction form
    376,246.58/519,072.46 = 215,015.13/x
  3. Step 3: Cross multiply
    376,246.58x = 519,072.46 × 215,015.13
  4. Step 4: Simplify right side
    376,246.58x = 111,608,431,928.78
  5. Step 5: Solve for x
    x = 111,608,431,928.78/376,246.58
  6. Step 6: Final answer
    x = 296,636.41

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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.