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Finding the Fourth Proportional to 514,830.43, 709,678.41 and 361,438.30

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Solution

The fourth proportional to 514,830.43, 709,678.41 and 361,438.30 is: 498,231.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,830.43 : 709,678.41 = 361,438.30 : x
  2. Step 2: Convert to fraction form
    514,830.43/709,678.41 = 361,438.30/x
  3. Step 3: Cross multiply
    514,830.43x = 709,678.41 × 361,438.30
  4. Step 4: Simplify right side
    514,830.43x = 256,504,958,057.10
  5. Step 5: Solve for x
    x = 256,504,958,057.10/514,830.43
  6. Step 6: Final answer
    x = 498,231.93

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