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Finding the Fourth Proportional to 346,400.80, 519,601.20 and 341,735.20

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Solution

The fourth proportional to 346,400.80, 519,601.20 and 341,735.20 is: 512,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,400.80 : 519,601.20 = 341,735.20 : x
  2. Step 2: Convert to fraction form
    346,400.80/519,601.20 = 341,735.20/x
  3. Step 3: Cross multiply
    346,400.80x = 519,601.20 × 341,735.20
  4. Step 4: Simplify right side
    346,400.80x = 177,566,020,002.24
  5. Step 5: Solve for x
    x = 177,566,020,002.24/346,400.80
  6. Step 6: Final answer
    x = 512,602.80

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