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Finding the Fourth Proportional to 267,189, 400,433.58 and 148,916.04

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Solution

The fourth proportional to 267,189, 400,433.58 and 148,916.04 is: 223,179.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,189 : 400,433.58 = 148,916.04 : x
  2. Step 2: Convert to fraction form
    267,189/400,433.58 = 148,916.04/x
  3. Step 3: Cross multiply
    267,189x = 400,433.58 × 148,916.04
  4. Step 4: Simplify right side
    267,189x = 59,630,983,016.62
  5. Step 5: Solve for x
    x = 59,630,983,016.62/267,189
  6. Step 6: Final answer
    x = 223,179.03

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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.