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Finding the Fourth Proportional to 442,890.90, 664,271.55 and 127,314.90

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Solution

The fourth proportional to 442,890.90, 664,271.55 and 127,314.90 is: 190,953.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,890.90 : 664,271.55 = 127,314.90 : x
  2. Step 2: Convert to fraction form
    442,890.90/664,271.55 = 127,314.90/x
  3. Step 3: Cross multiply
    442,890.90x = 664,271.55 × 127,314.90
  4. Step 4: Simplify right side
    442,890.90x = 84,571,665,961.10
  5. Step 5: Solve for x
    x = 84,571,665,961.10/442,890.90
  6. Step 6: Final answer
    x = 190,953.72

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