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Finding the Fourth Proportional to 258,792.84, 388,484.64 and 173,467.17

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Solution

The fourth proportional to 258,792.84, 388,484.64 and 173,467.17 is: 260,398.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,792.84 : 388,484.64 = 173,467.17 : x
  2. Step 2: Convert to fraction form
    258,792.84/388,484.64 = 173,467.17/x
  3. Step 3: Cross multiply
    258,792.84x = 388,484.64 × 173,467.17
  4. Step 4: Simplify right side
    258,792.84x = 67,389,331,089.27
  5. Step 5: Solve for x
    x = 67,389,331,089.27/258,792.84
  6. Step 6: Final answer
    x = 260,398.75

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