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Finding the Fourth Proportional to 453,980.21, 626,446.33 and 279,522.71

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Solution

The fourth proportional to 453,980.21, 626,446.33 and 279,522.71 is: 385,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,980.21 : 626,446.33 = 279,522.71 : x
  2. Step 2: Convert to fraction form
    453,980.21/626,446.33 = 279,522.71/x
  3. Step 3: Cross multiply
    453,980.21x = 626,446.33 × 279,522.71
  4. Step 4: Simplify right side
    453,980.21x = 175,105,972,000.12
  5. Step 5: Solve for x
    x = 175,105,972,000.12/453,980.21
  6. Step 6: Final answer
    x = 385,712.79

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