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Finding the Fourth Proportional to 705,667.56, 973,606.70 and 399,695.34

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Solution

The fourth proportional to 705,667.56, 973,606.70 and 399,695.34 is: 551,458.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,667.56 : 973,606.70 = 399,695.34 : x
  2. Step 2: Convert to fraction form
    705,667.56/973,606.70 = 399,695.34/x
  3. Step 3: Cross multiply
    705,667.56x = 973,606.70 × 399,695.34
  4. Step 4: Simplify right side
    705,667.56x = 389,146,060,982.78
  5. Step 5: Solve for x
    x = 389,146,060,982.78/705,667.56
  6. Step 6: Final answer
    x = 551,458.06

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