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Finding the Fourth Proportional to 288,296.11, 432,445.70 and 189,084.57

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Solution

The fourth proportional to 288,296.11, 432,445.70 and 189,084.57 is: 283,627.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,296.11 : 432,445.70 = 189,084.57 : x
  2. Step 2: Convert to fraction form
    288,296.11/432,445.70 = 189,084.57/x
  3. Step 3: Cross multiply
    288,296.11x = 432,445.70 × 189,084.57
  4. Step 4: Simplify right side
    288,296.11x = 81,768,809,232.85
  5. Step 5: Solve for x
    x = 81,768,809,232.85/288,296.11
  6. Step 6: Final answer
    x = 283,627.86

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