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Finding the Fourth Proportional to 471,809.88, 707,084.28 and 172,008.84

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Solution

The fourth proportional to 471,809.88, 707,084.28 and 172,008.84 is: 257,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,809.88 : 707,084.28 = 172,008.84 : x
  2. Step 2: Convert to fraction form
    471,809.88/707,084.28 = 172,008.84/x
  3. Step 3: Cross multiply
    471,809.88x = 707,084.28 × 172,008.84
  4. Step 4: Simplify right side
    471,809.88x = 121,624,746,785.04
  5. Step 5: Solve for x
    x = 121,624,746,785.04/471,809.88
  6. Step 6: Final answer
    x = 257,783.38

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