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Finding the Fourth Proportional to 652,173.12, 978,158.88 and 267,960.96

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Solution

The fourth proportional to 652,173.12, 978,158.88 and 267,960.96 is: 401,900.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,173.12 : 978,158.88 = 267,960.96 : x
  2. Step 2: Convert to fraction form
    652,173.12/978,158.88 = 267,960.96/x
  3. Step 3: Cross multiply
    652,173.12x = 978,158.88 × 267,960.96
  4. Step 4: Simplify right side
    652,173.12x = 262,108,392,517.33
  5. Step 5: Solve for x
    x = 262,108,392,517.33/652,173.12
  6. Step 6: Final answer
    x = 401,900.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.