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Finding the Fourth Proportional to 423,490.88, 584,160.86 and 251,295.62

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Solution

The fourth proportional to 423,490.88, 584,160.86 and 251,295.62 is: 346,635.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,490.88 : 584,160.86 = 251,295.62 : x
  2. Step 2: Convert to fraction form
    423,490.88/584,160.86 = 251,295.62/x
  3. Step 3: Cross multiply
    423,490.88x = 584,160.86 × 251,295.62
  4. Step 4: Simplify right side
    423,490.88x = 146,797,065,493.43
  5. Step 5: Solve for x
    x = 146,797,065,493.43/423,490.88
  6. Step 6: Final answer
    x = 346,635.72

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