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Finding the Fourth Proportional to 255,622.40, 383,433.60 and 235,404.80

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Solution

The fourth proportional to 255,622.40, 383,433.60 and 235,404.80 is: 353,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,622.40 : 383,433.60 = 235,404.80 : x
  2. Step 2: Convert to fraction form
    255,622.40/383,433.60 = 235,404.80/x
  3. Step 3: Cross multiply
    255,622.40x = 383,433.60 × 235,404.80
  4. Step 4: Simplify right side
    255,622.40x = 90,262,109,921.28
  5. Step 5: Solve for x
    x = 90,262,109,921.28/255,622.40
  6. Step 6: Final answer
    x = 353,107.20

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