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Finding the Fourth Proportional to 530,236.88, 731,716.04 and 288,524.24

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Solution

The fourth proportional to 530,236.88, 731,716.04 and 288,524.24 is: 398,157.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,236.88 : 731,716.04 = 288,524.24 : x
  2. Step 2: Convert to fraction form
    530,236.88/731,716.04 = 288,524.24/x
  3. Step 3: Cross multiply
    530,236.88x = 731,716.04 × 288,524.24
  4. Step 4: Simplify right side
    530,236.88x = 211,117,814,336.81
  5. Step 5: Solve for x
    x = 211,117,814,336.81/530,236.88
  6. Step 6: Final answer
    x = 398,157.54

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