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Finding the Fourth Proportional to 583,287.75, 804,937.10 and 315,015.75

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Solution

The fourth proportional to 583,287.75, 804,937.10 and 315,015.75 is: 434,721.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,287.75 : 804,937.10 = 315,015.75 : x
  2. Step 2: Convert to fraction form
    583,287.75/804,937.10 = 315,015.75/x
  3. Step 3: Cross multiply
    583,287.75x = 804,937.10 × 315,015.75
  4. Step 4: Simplify right side
    583,287.75x = 253,567,864,259.33
  5. Step 5: Solve for x
    x = 253,567,864,259.33/583,287.75
  6. Step 6: Final answer
    x = 434,721.74

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