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Finding the Fourth Proportional to 492,056.15, 738,084.23 and 487,390.55

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Solution

The fourth proportional to 492,056.15, 738,084.23 and 487,390.55 is: 731,085.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,056.15 : 738,084.23 = 487,390.55 : x
  2. Step 2: Convert to fraction form
    492,056.15/738,084.23 = 487,390.55/x
  3. Step 3: Cross multiply
    492,056.15x = 738,084.23 × 487,390.55
  4. Step 4: Simplify right side
    492,056.15x = 359,735,278,806.03
  5. Step 5: Solve for x
    x = 359,735,278,806.03/492,056.15
  6. Step 6: Final answer
    x = 731,085.83

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