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Finding the Fourth Proportional to 530,245.64, 731,732.83 and 288,524.05

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Solution

The fourth proportional to 530,245.64, 731,732.83 and 288,524.05 is: 398,159.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,245.64 : 731,732.83 = 288,524.05 : x
  2. Step 2: Convert to fraction form
    530,245.64/731,732.83 = 288,524.05/x
  3. Step 3: Cross multiply
    530,245.64x = 731,732.83 × 288,524.05
  4. Step 4: Simplify right side
    530,245.64x = 211,122,520,904.88
  5. Step 5: Solve for x
    x = 211,122,520,904.88/530,245.64
  6. Step 6: Final answer
    x = 398,159.84

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