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Finding the Fourth Proportional to 466,827.90, 642,866.62 and 405,546.14

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Solution

The fourth proportional to 466,827.90, 642,866.62 and 405,546.14 is: 558,475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,827.90 : 642,866.62 = 405,546.14 : x
  2. Step 2: Convert to fraction form
    466,827.90/642,866.62 = 405,546.14/x
  3. Step 3: Cross multiply
    466,827.90x = 642,866.62 × 405,546.14
  4. Step 4: Simplify right side
    466,827.90x = 260,712,076,275.85
  5. Step 5: Solve for x
    x = 260,712,076,275.85/466,827.90
  6. Step 6: Final answer
    x = 558,475.78

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