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Finding the Fourth Proportional to 591,215.60, 886,604.70 and 191,869.40

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Solution

The fourth proportional to 591,215.60, 886,604.70 and 191,869.40 is: 287,733.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,215.60 : 886,604.70 = 191,869.40 : x
  2. Step 2: Convert to fraction form
    591,215.60/886,604.70 = 191,869.40/x
  3. Step 3: Cross multiply
    591,215.60x = 886,604.70 × 191,869.40
  4. Step 4: Simplify right side
    591,215.60x = 170,112,311,826.18
  5. Step 5: Solve for x
    x = 170,112,311,826.18/591,215.60
  6. Step 6: Final answer
    x = 287,733.12

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