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Finding the Fourth Proportional to 456,426.77, 685,033.81 and 176,140.85

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Solution

The fourth proportional to 456,426.77, 685,033.81 and 176,140.85 is: 264,363.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,426.77 : 685,033.81 = 176,140.85 : x
  2. Step 2: Convert to fraction form
    456,426.77/685,033.81 = 176,140.85/x
  3. Step 3: Cross multiply
    456,426.77x = 685,033.81 × 176,140.85
  4. Step 4: Simplify right side
    456,426.77x = 120,662,433,706.62
  5. Step 5: Solve for x
    x = 120,662,433,706.62/456,426.77
  6. Step 6: Final answer
    x = 264,363.19

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