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Finding the Fourth Proportional to 388,936.20, 583,404.30 and 295,624.20

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Solution

The fourth proportional to 388,936.20, 583,404.30 and 295,624.20 is: 443,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,936.20 : 583,404.30 = 295,624.20 : x
  2. Step 2: Convert to fraction form
    388,936.20/583,404.30 = 295,624.20/x
  3. Step 3: Cross multiply
    388,936.20x = 583,404.30 × 295,624.20
  4. Step 4: Simplify right side
    388,936.20x = 172,468,429,464.06
  5. Step 5: Solve for x
    x = 172,468,429,464.06/388,936.20
  6. Step 6: Final answer
    x = 443,436.30

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