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Finding the Fourth Proportional to 590,330.88, 814,920.48 and 399,922.56

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Solution

The fourth proportional to 590,330.88, 814,920.48 and 399,922.56 is: 552,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,330.88 : 814,920.48 = 399,922.56 : x
  2. Step 2: Convert to fraction form
    590,330.88/814,920.48 = 399,922.56/x
  3. Step 3: Cross multiply
    590,330.88x = 814,920.48 × 399,922.56
  4. Step 4: Simplify right side
    590,330.88x = 325,905,084,558.03
  5. Step 5: Solve for x
    x = 325,905,084,558.03/590,330.88
  6. Step 6: Final answer
    x = 552,071.89

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