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Finding the Fourth Proportional to 873,813.14, 1,311,229.20 and 368,343.18

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Solution

The fourth proportional to 873,813.14, 1,311,229.20 and 368,343.18 is: 552,729.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,813.14 : 1,311,229.20 = 368,343.18 : x
  2. Step 2: Convert to fraction form
    873,813.14/1,311,229.20 = 368,343.18/x
  3. Step 3: Cross multiply
    873,813.14x = 1,311,229.20 × 368,343.18
  4. Step 4: Simplify right side
    873,813.14x = 482,982,333,236.86
  5. Step 5: Solve for x
    x = 482,982,333,236.86/873,813.14
  6. Step 6: Final answer
    x = 552,729.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.