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Finding the Fourth Proportional to 611,889.88, 916,503.90 and 295,681

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Solution

The fourth proportional to 611,889.88, 916,503.90 and 295,681 is: 442,878.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,889.88 : 916,503.90 = 295,681 : x
  2. Step 2: Convert to fraction form
    611,889.88/916,503.90 = 295,681/x
  3. Step 3: Cross multiply
    611,889.88x = 916,503.90 × 295,681
  4. Step 4: Simplify right side
    611,889.88x = 270,992,789,655.90
  5. Step 5: Solve for x
    x = 270,992,789,655.90/611,889.88
  6. Step 6: Final answer
    x = 442,878.37

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