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Finding the Fourth Proportional to 556,176.80, 834,265.20 and 416,208.80

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Solution

The fourth proportional to 556,176.80, 834,265.20 and 416,208.80 is: 624,313.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,176.80 : 834,265.20 = 416,208.80 : x
  2. Step 2: Convert to fraction form
    556,176.80/834,265.20 = 416,208.80/x
  3. Step 3: Cross multiply
    556,176.80x = 834,265.20 × 416,208.80
  4. Step 4: Simplify right side
    556,176.80x = 347,228,517,773.76
  5. Step 5: Solve for x
    x = 347,228,517,773.76/556,176.80
  6. Step 6: Final answer
    x = 624,313.20

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