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Finding the Fourth Proportional to 320,868.50, 442,915.18 and 186,732.50

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Solution

The fourth proportional to 320,868.50, 442,915.18 and 186,732.50 is: 257,758.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,868.50 : 442,915.18 = 186,732.50 : x
  2. Step 2: Convert to fraction form
    320,868.50/442,915.18 = 186,732.50/x
  3. Step 3: Cross multiply
    320,868.50x = 442,915.18 × 186,732.50
  4. Step 4: Simplify right side
    320,868.50x = 82,706,658,849.35
  5. Step 5: Solve for x
    x = 82,706,658,849.35/320,868.50
  6. Step 6: Final answer
    x = 257,758.74

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