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Finding the Fourth Proportional to 317,668.76, 438,297.45 and 188,499.98

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Solution

The fourth proportional to 317,668.76, 438,297.45 and 188,499.98 is: 260,079.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,668.76 : 438,297.45 = 188,499.98 : x
  2. Step 2: Convert to fraction form
    317,668.76/438,297.45 = 188,499.98/x
  3. Step 3: Cross multiply
    317,668.76x = 438,297.45 × 188,499.98
  4. Step 4: Simplify right side
    317,668.76x = 82,619,060,559.05
  5. Step 5: Solve for x
    x = 82,619,060,559.05/317,668.76
  6. Step 6: Final answer
    x = 260,079.27

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