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Finding the Fourth Proportional to 572,405.60, 858,608.40 and 323,573.60

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Solution

The fourth proportional to 572,405.60, 858,608.40 and 323,573.60 is: 485,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,405.60 : 858,608.40 = 323,573.60 : x
  2. Step 2: Convert to fraction form
    572,405.60/858,608.40 = 323,573.60/x
  3. Step 3: Cross multiply
    572,405.60x = 858,608.40 × 323,573.60
  4. Step 4: Simplify right side
    572,405.60x = 277,823,010,978.24
  5. Step 5: Solve for x
    x = 277,823,010,978.24/572,405.60
  6. Step 6: Final answer
    x = 485,360.40

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