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Finding the Fourth Proportional to 395,855.80, 546,281.98 and 214,567.56

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Solution

The fourth proportional to 395,855.80, 546,281.98 and 214,567.56 is: 296,103.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,855.80 : 546,281.98 = 214,567.56 : x
  2. Step 2: Convert to fraction form
    395,855.80/546,281.98 = 214,567.56/x
  3. Step 3: Cross multiply
    395,855.80x = 546,281.98 × 214,567.56
  4. Step 4: Simplify right side
    395,855.80x = 117,214,390,984.15
  5. Step 5: Solve for x
    x = 117,214,390,984.15/395,855.80
  6. Step 6: Final answer
    x = 296,103.76

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