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Finding the Fourth Proportional to 482,690.40, 724,035.60 and 132,482.40

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Solution

The fourth proportional to 482,690.40, 724,035.60 and 132,482.40 is: 198,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,690.40 : 724,035.60 = 132,482.40 : x
  2. Step 2: Convert to fraction form
    482,690.40/724,035.60 = 132,482.40/x
  3. Step 3: Cross multiply
    482,690.40x = 724,035.60 × 132,482.40
  4. Step 4: Simplify right side
    482,690.40x = 95,921,973,973.44
  5. Step 5: Solve for x
    x = 95,921,973,973.44/482,690.40
  6. Step 6: Final answer
    x = 198,723.60

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