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Finding the Fourth Proportional to 628,894.98, 943,331.31 and 155,580.30

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Solution

The fourth proportional to 628,894.98, 943,331.31 and 155,580.30 is: 233,367.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,894.98 : 943,331.31 = 155,580.30 : x
  2. Step 2: Convert to fraction form
    628,894.98/943,331.31 = 155,580.30/x
  3. Step 3: Cross multiply
    628,894.98x = 943,331.31 × 155,580.30
  4. Step 4: Simplify right side
    628,894.98x = 146,763,768,209.19
  5. Step 5: Solve for x
    x = 146,763,768,209.19/628,894.98
  6. Step 6: Final answer
    x = 233,367.69

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