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Finding the Fourth Proportional to 407,528.92, 562,391.88 and 254,655.90

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Solution

The fourth proportional to 407,528.92, 562,391.88 and 254,655.90 is: 351,426.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,528.92 : 562,391.88 = 254,655.90 : x
  2. Step 2: Convert to fraction form
    407,528.92/562,391.88 = 254,655.90/x
  3. Step 3: Cross multiply
    407,528.92x = 562,391.88 × 254,655.90
  4. Step 4: Simplify right side
    407,528.92x = 143,216,410,354.09
  5. Step 5: Solve for x
    x = 143,216,410,354.09/407,528.92
  6. Step 6: Final answer
    x = 351,426.37

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