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Finding the Fourth Proportional to 351,267.20, 526,123.20 and 289,059.20

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Solution

The fourth proportional to 351,267.20, 526,123.20 and 289,059.20 is: 432,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,267.20 : 526,123.20 = 289,059.20 : x
  2. Step 2: Convert to fraction form
    351,267.20/526,123.20 = 289,059.20/x
  3. Step 3: Cross multiply
    351,267.20x = 526,123.20 × 289,059.20
  4. Step 4: Simplify right side
    351,267.20x = 152,080,751,293.44
  5. Step 5: Solve for x
    x = 152,080,751,293.44/351,267.20
  6. Step 6: Final answer
    x = 432,948.91

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