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Finding the Fourth Proportional to 400,915.83, 553,277.63 and 219,627.71

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Solution

The fourth proportional to 400,915.83, 553,277.63 and 219,627.71 is: 303,093.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,915.83 : 553,277.63 = 219,627.71 : x
  2. Step 2: Convert to fraction form
    400,915.83/553,277.63 = 219,627.71/x
  3. Step 3: Cross multiply
    400,915.83x = 553,277.63 × 219,627.71
  4. Step 4: Simplify right side
    400,915.83x = 121,515,099,156.18
  5. Step 5: Solve for x
    x = 121,515,099,156.18/400,915.83
  6. Step 6: Final answer
    x = 303,093.79

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