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Finding the Fourth Proportional to 916,614.68, 1,375,002 and 376,903.78

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Solution

The fourth proportional to 916,614.68, 1,375,002 and 376,903.78 is: 565,388.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,614.68 : 1,375,002 = 376,903.78 : x
  2. Step 2: Convert to fraction form
    916,614.68/1,375,002 = 376,903.78/x
  3. Step 3: Cross multiply
    916,614.68x = 1,375,002 × 376,903.78
  4. Step 4: Simplify right side
    916,614.68x = 518,243,447,870.06
  5. Step 5: Solve for x
    x = 518,243,447,870.06/916,614.68
  6. Step 6: Final answer
    x = 565,388.56

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