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Finding the Fourth Proportional to 663,053.04, 914,988.60 and 405,361.56

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Solution

The fourth proportional to 663,053.04, 914,988.60 and 405,361.56 is: 559,383.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,053.04 : 914,988.60 = 405,361.56 : x
  2. Step 2: Convert to fraction form
    663,053.04/914,988.60 = 405,361.56/x
  3. Step 3: Cross multiply
    663,053.04x = 914,988.60 × 405,361.56
  4. Step 4: Simplify right side
    663,053.04x = 370,901,206,278.22
  5. Step 5: Solve for x
    x = 370,901,206,278.22/663,053.04
  6. Step 6: Final answer
    x = 559,383.92

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