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Finding the Fourth Proportional to 260,047.60, 390,071.40 and 222,722.80

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Solution

The fourth proportional to 260,047.60, 390,071.40 and 222,722.80 is: 334,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,047.60 : 390,071.40 = 222,722.80 : x
  2. Step 2: Convert to fraction form
    260,047.60/390,071.40 = 222,722.80/x
  3. Step 3: Cross multiply
    260,047.60x = 390,071.40 × 222,722.80
  4. Step 4: Simplify right side
    260,047.60x = 86,877,794,407.92
  5. Step 5: Solve for x
    x = 86,877,794,407.92/260,047.60
  6. Step 6: Final answer
    x = 334,084.20

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