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Finding the Fourth Proportional to 575,160.80, 862,741.20 and 323,218.40

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Solution

The fourth proportional to 575,160.80, 862,741.20 and 323,218.40 is: 484,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,160.80 : 862,741.20 = 323,218.40 : x
  2. Step 2: Convert to fraction form
    575,160.80/862,741.20 = 323,218.40/x
  3. Step 3: Cross multiply
    575,160.80x = 862,741.20 × 323,218.40
  4. Step 4: Simplify right side
    575,160.80x = 278,853,830,278.08
  5. Step 5: Solve for x
    x = 278,853,830,278.08/575,160.80
  6. Step 6: Final answer
    x = 484,827.60

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