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Finding the Fourth Proportional to 976,802.80, 1,465,204.20 and 266,902.60

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Solution

The fourth proportional to 976,802.80, 1,465,204.20 and 266,902.60 is: 400,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,802.80 : 1,465,204.20 = 266,902.60 : x
  2. Step 2: Convert to fraction form
    976,802.80/1,465,204.20 = 266,902.60/x
  3. Step 3: Cross multiply
    976,802.80x = 1,465,204.20 × 266,902.60
  4. Step 4: Simplify right side
    976,802.80x = 391,066,810,510.92
  5. Step 5: Solve for x
    x = 391,066,810,510.92/976,802.80
  6. Step 6: Final answer
    x = 400,353.90

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