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Finding the Fourth Proportional to 452,578.75, 678,955.55 and 172,074.19

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Solution

The fourth proportional to 452,578.75, 678,955.55 and 172,074.19 is: 258,144.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,578.75 : 678,955.55 = 172,074.19 : x
  2. Step 2: Convert to fraction form
    452,578.75/678,955.55 = 172,074.19/x
  3. Step 3: Cross multiply
    452,578.75x = 678,955.55 × 172,074.19
  4. Step 4: Simplify right side
    452,578.75x = 116,830,725,451.88
  5. Step 5: Solve for x
    x = 116,830,725,451.88/452,578.75
  6. Step 6: Final answer
    x = 258,144.52

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