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Finding the Fourth Proportional to 416,461.60, 624,231.60 and 229,607.20

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Solution

The fourth proportional to 416,461.60, 624,231.60 and 229,607.20 is: 344,156.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,461.60 : 624,231.60 = 229,607.20 : x
  2. Step 2: Convert to fraction form
    416,461.60/624,231.60 = 229,607.20/x
  3. Step 3: Cross multiply
    416,461.60x = 624,231.60 × 229,607.20
  4. Step 4: Simplify right side
    416,461.60x = 143,328,069,827.52
  5. Step 5: Solve for x
    x = 143,328,069,827.52/416,461.60
  6. Step 6: Final answer
    x = 344,156.75

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