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Finding the Fourth Proportional to 421,537.84, 581,456.24 and 294,166.96

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Solution

The fourth proportional to 421,537.84, 581,456.24 and 294,166.96 is: 405,764.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,537.84 : 581,456.24 = 294,166.96 : x
  2. Step 2: Convert to fraction form
    421,537.84/581,456.24 = 294,166.96/x
  3. Step 3: Cross multiply
    421,537.84x = 581,456.24 × 294,166.96
  4. Step 4: Simplify right side
    421,537.84x = 171,045,214,493.83
  5. Step 5: Solve for x
    x = 171,045,214,493.83/421,537.84
  6. Step 6: Final answer
    x = 405,764.79

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