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Finding the Fourth Proportional to 429,415.10, 644,122.65 and 148,932.35

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Solution

The fourth proportional to 429,415.10, 644,122.65 and 148,932.35 is: 223,398.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,415.10 : 644,122.65 = 148,932.35 : x
  2. Step 2: Convert to fraction form
    429,415.10/644,122.65 = 148,932.35/x
  3. Step 3: Cross multiply
    429,415.10x = 644,122.65 × 148,932.35
  4. Step 4: Simplify right side
    429,415.10x = 95,930,699,952.73
  5. Step 5: Solve for x
    x = 95,930,699,952.73/429,415.10
  6. Step 6: Final answer
    x = 223,398.53

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