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Finding the Fourth Proportional to 429,932.68, 644,900.52 and 130,415.84

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Solution

The fourth proportional to 429,932.68, 644,900.52 and 130,415.84 is: 195,624.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,932.68 : 644,900.52 = 130,415.84 : x
  2. Step 2: Convert to fraction form
    429,932.68/644,900.52 = 130,415.84/x
  3. Step 3: Cross multiply
    429,932.68x = 644,900.52 × 130,415.84
  4. Step 4: Simplify right side
    429,932.68x = 84,105,243,032.24
  5. Step 5: Solve for x
    x = 84,105,243,032.24/429,932.68
  6. Step 6: Final answer
    x = 195,624.22

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