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Finding the Fourth Proportional to 592,403.12, 817,513.81 and 320,470.33

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Solution

The fourth proportional to 592,403.12, 817,513.81 and 320,470.33 is: 442,247.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,403.12 : 817,513.81 = 320,470.33 : x
  2. Step 2: Convert to fraction form
    592,403.12/817,513.81 = 320,470.33/x
  3. Step 3: Cross multiply
    592,403.12x = 817,513.81 × 320,470.33
  4. Step 4: Simplify right side
    592,403.12x = 261,988,920,470.26
  5. Step 5: Solve for x
    x = 261,988,920,470.26/592,403.12
  6. Step 6: Final answer
    x = 442,247.71

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