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Finding the Fourth Proportional to 804,969.40, 1,207,599.90 and 404,602.60

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Solution

The fourth proportional to 804,969.40, 1,207,599.90 and 404,602.60 is: 606,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,969.40 : 1,207,599.90 = 404,602.60 : x
  2. Step 2: Convert to fraction form
    804,969.40/1,207,599.90 = 404,602.60/x
  3. Step 3: Cross multiply
    804,969.40x = 1,207,599.90 × 404,602.60
  4. Step 4: Simplify right side
    804,969.40x = 488,598,059,299.74
  5. Step 5: Solve for x
    x = 488,598,059,299.74/804,969.40
  6. Step 6: Final answer
    x = 606,977.18

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