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Finding the Fourth Proportional to 490,669.67, 736,068.90 and 170,786.90

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Solution

The fourth proportional to 490,669.67, 736,068.90 and 170,786.90 is: 256,202.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,669.67 : 736,068.90 = 170,786.90 : x
  2. Step 2: Convert to fraction form
    490,669.67/736,068.90 = 170,786.90/x
  3. Step 3: Cross multiply
    490,669.67x = 736,068.90 × 170,786.90
  4. Step 4: Simplify right side
    490,669.67x = 125,710,925,617.41
  5. Step 5: Solve for x
    x = 125,710,925,617.41/490,669.67
  6. Step 6: Final answer
    x = 256,202.76

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