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Finding the Fourth Proportional to 488,453.10, 732,687.21 and 172,689.18

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Solution

The fourth proportional to 488,453.10, 732,687.21 and 172,689.18 is: 259,036.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,453.10 : 732,687.21 = 172,689.18 : x
  2. Step 2: Convert to fraction form
    488,453.10/732,687.21 = 172,689.18/x
  3. Step 3: Cross multiply
    488,453.10x = 732,687.21 × 172,689.18
  4. Step 4: Simplify right side
    488,453.10x = 126,527,153,491.39
  5. Step 5: Solve for x
    x = 126,527,153,491.39/488,453.10
  6. Step 6: Final answer
    x = 259,036.44

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