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Finding the Fourth Proportional to 328,065.40, 492,098.10 and 187,724.80

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Solution

The fourth proportional to 328,065.40, 492,098.10 and 187,724.80 is: 281,587.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,065.40 : 492,098.10 = 187,724.80 : x
  2. Step 2: Convert to fraction form
    328,065.40/492,098.10 = 187,724.80/x
  3. Step 3: Cross multiply
    328,065.40x = 492,098.10 × 187,724.80
  4. Step 4: Simplify right side
    328,065.40x = 92,379,017,402.88
  5. Step 5: Solve for x
    x = 92,379,017,402.88/328,065.40
  6. Step 6: Final answer
    x = 281,587.20

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