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Finding the Fourth Proportional to 429,780.67, 644,670.30 and 114,237.58

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Solution

The fourth proportional to 429,780.67, 644,670.30 and 114,237.58 is: 171,356.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,780.67 : 644,670.30 = 114,237.58 : x
  2. Step 2: Convert to fraction form
    429,780.67/644,670.30 = 114,237.58/x
  3. Step 3: Cross multiply
    429,780.67x = 644,670.30 × 114,237.58
  4. Step 4: Simplify right side
    429,780.67x = 73,645,574,969.87
  5. Step 5: Solve for x
    x = 73,645,574,969.87/429,780.67
  6. Step 6: Final answer
    x = 171,356.18

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