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Finding the Fourth Proportional to 359,461, 496,056.18 and 200,485

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Solution

The fourth proportional to 359,461, 496,056.18 and 200,485 is: 276,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,461 : 496,056.18 = 200,485 : x
  2. Step 2: Convert to fraction form
    359,461/496,056.18 = 200,485/x
  3. Step 3: Cross multiply
    359,461x = 496,056.18 × 200,485
  4. Step 4: Simplify right side
    359,461x = 99,451,823,247.30
  5. Step 5: Solve for x
    x = 99,451,823,247.30/359,461
  6. Step 6: Final answer
    x = 276,669.30

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