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Finding the Fourth Proportional to 922,194, 1,273,677.48 and 619,863.12

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Solution

The fourth proportional to 922,194, 1,273,677.48 and 619,863.12 is: 856,116.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,194 : 1,273,677.48 = 619,863.12 : x
  2. Step 2: Convert to fraction form
    922,194/1,273,677.48 = 619,863.12/x
  3. Step 3: Cross multiply
    922,194x = 1,273,677.48 × 619,863.12
  4. Step 4: Simplify right side
    922,194x = 789,505,696,626.54
  5. Step 5: Solve for x
    x = 789,505,696,626.54/922,194
  6. Step 6: Final answer
    x = 856,116.71

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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.