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Finding the Fourth Proportional to 553,650.40, 828,507.30 and 384,376.60

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Solution

The fourth proportional to 553,650.40, 828,507.30 and 384,376.60 is: 575,198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,650.40 : 828,507.30 = 384,376.60 : x
  2. Step 2: Convert to fraction form
    553,650.40/828,507.30 = 384,376.60/x
  3. Step 3: Cross multiply
    553,650.40x = 828,507.30 × 384,376.60
  4. Step 4: Simplify right side
    553,650.40x = 318,458,819,049.18
  5. Step 5: Solve for x
    x = 318,458,819,049.18/553,650.40
  6. Step 6: Final answer
    x = 575,198.39

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