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Finding the Fourth Proportional to 267,348.98, 401,090.30 and 188,616.98

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Solution

The fourth proportional to 267,348.98, 401,090.30 and 188,616.98 is: 282,972.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,348.98 : 401,090.30 = 188,616.98 : x
  2. Step 2: Convert to fraction form
    267,348.98/401,090.30 = 188,616.98/x
  3. Step 3: Cross multiply
    267,348.98x = 401,090.30 × 188,616.98
  4. Step 4: Simplify right side
    267,348.98x = 75,652,441,093.29
  5. Step 5: Solve for x
    x = 75,652,441,093.29/267,348.98
  6. Step 6: Final answer
    x = 282,972.62

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1.5x scale

Why These Related Problems?

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