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Finding the Fourth Proportional to 525,755.20, 788,827.20 and 170,780.80

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Solution

The fourth proportional to 525,755.20, 788,827.20 and 170,780.80 is: 256,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,755.20 : 788,827.20 = 170,780.80 : x
  2. Step 2: Convert to fraction form
    525,755.20/788,827.20 = 170,780.80/x
  3. Step 3: Cross multiply
    525,755.20x = 788,827.20 × 170,780.80
  4. Step 4: Simplify right side
    525,755.20x = 134,716,540,277.76
  5. Step 5: Solve for x
    x = 134,716,540,277.76/525,755.20
  6. Step 6: Final answer
    x = 256,234.35

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