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Finding the Fourth Proportional to 406,348.95, 609,563.51 and 140,074.41

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Solution

The fourth proportional to 406,348.95, 609,563.51 and 140,074.41 is: 210,125.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,348.95 : 609,563.51 = 140,074.41 : x
  2. Step 2: Convert to fraction form
    406,348.95/609,563.51 = 140,074.41/x
  3. Step 3: Cross multiply
    406,348.95x = 609,563.51 × 140,074.41
  4. Step 4: Simplify right side
    406,348.95x = 85,384,249,020.78
  5. Step 5: Solve for x
    x = 85,384,249,020.78/406,348.95
  6. Step 6: Final answer
    x = 210,125.43

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