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Finding the Fourth Proportional to 460,487.40, 689,348.70 and 273,402.60

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Solution

The fourth proportional to 460,487.40, 689,348.70 and 273,402.60 is: 409,283.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,487.40 : 689,348.70 = 273,402.60 : x
  2. Step 2: Convert to fraction form
    460,487.40/689,348.70 = 273,402.60/x
  3. Step 3: Cross multiply
    460,487.40x = 689,348.70 × 273,402.60
  4. Step 4: Simplify right side
    460,487.40x = 188,469,726,886.62
  5. Step 5: Solve for x
    x = 188,469,726,886.62/460,487.40
  6. Step 6: Final answer
    x = 409,283.14

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