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Finding the Fourth Proportional to 407,145.10, 610,426.05 and 170,365.90

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Solution

The fourth proportional to 407,145.10, 610,426.05 and 170,365.90 is: 255,426.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,145.10 : 610,426.05 = 170,365.90 : x
  2. Step 2: Convert to fraction form
    407,145.10/610,426.05 = 170,365.90/x
  3. Step 3: Cross multiply
    407,145.10x = 610,426.05 × 170,365.90
  4. Step 4: Simplify right side
    407,145.10x = 103,995,783,391.70
  5. Step 5: Solve for x
    x = 103,995,783,391.70/407,145.10
  6. Step 6: Final answer
    x = 255,426.83

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