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Finding the Fourth Proportional to 435,953.07, 601,908.81 and 389,869.74

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Solution

The fourth proportional to 435,953.07, 601,908.81 and 389,869.74 is: 538,282.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,953.07 : 601,908.81 = 389,869.74 : x
  2. Step 2: Convert to fraction form
    435,953.07/601,908.81 = 389,869.74/x
  3. Step 3: Cross multiply
    435,953.07x = 601,908.81 × 389,869.74
  4. Step 4: Simplify right side
    435,953.07x = 234,666,029,796.40
  5. Step 5: Solve for x
    x = 234,666,029,796.40/435,953.07
  6. Step 6: Final answer
    x = 538,282.78

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