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Finding the Fourth Proportional to 533,235.61, 799,690.75 and 280,378.92

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Solution

The fourth proportional to 533,235.61, 799,690.75 and 280,378.92 is: 420,482.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,235.61 : 799,690.75 = 280,378.92 : x
  2. Step 2: Convert to fraction form
    533,235.61/799,690.75 = 280,378.92/x
  3. Step 3: Cross multiply
    533,235.61x = 799,690.75 × 280,378.92
  4. Step 4: Simplify right side
    533,235.61x = 224,216,432,467.73
  5. Step 5: Solve for x
    x = 224,216,432,467.73/533,235.61
  6. Step 6: Final answer
    x = 420,482.85

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