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Finding the Fourth Proportional to 608,435.60, 912,696.60 and 187,710.80

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Solution

The fourth proportional to 608,435.60, 912,696.60 and 187,710.80 is: 281,579.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,435.60 : 912,696.60 = 187,710.80 : x
  2. Step 2: Convert to fraction form
    608,435.60/912,696.60 = 187,710.80/x
  3. Step 3: Cross multiply
    608,435.60x = 912,696.60 × 187,710.80
  4. Step 4: Simplify right side
    608,435.60x = 171,323,008,943.28
  5. Step 5: Solve for x
    x = 171,323,008,943.28/608,435.60
  6. Step 6: Final answer
    x = 281,579.53

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