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Finding the Fourth Proportional to 376,321.19, 519,323.03 and 212,974.73

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Solution

The fourth proportional to 376,321.19, 519,323.03 and 212,974.73 is: 293,905.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,321.19 : 519,323.03 = 212,974.73 : x
  2. Step 2: Convert to fraction form
    376,321.19/519,323.03 = 212,974.73/x
  3. Step 3: Cross multiply
    376,321.19x = 519,323.03 × 212,974.73
  4. Step 4: Simplify right side
    376,321.19x = 110,602,682,097.03
  5. Step 5: Solve for x
    x = 110,602,682,097.03/376,321.19
  6. Step 6: Final answer
    x = 293,905.01

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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.