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Finding the Fourth Proportional to 384,769.14, 530,980.05 and 215,003.22

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Solution

The fourth proportional to 384,769.14, 530,980.05 and 215,003.22 is: 296,703.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,769.14 : 530,980.05 = 215,003.22 : x
  2. Step 2: Convert to fraction form
    384,769.14/530,980.05 = 215,003.22/x
  3. Step 3: Cross multiply
    384,769.14x = 530,980.05 × 215,003.22
  4. Step 4: Simplify right side
    384,769.14x = 114,162,420,505.76
  5. Step 5: Solve for x
    x = 114,162,420,505.76/384,769.14
  6. Step 6: Final answer
    x = 296,703.68

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