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Finding the Fourth Proportional to 267,641.24, 369,318.30 and 154,500.44

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Solution

The fourth proportional to 267,641.24, 369,318.30 and 154,500.44 is: 213,195.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,641.24 : 369,318.30 = 154,500.44 : x
  2. Step 2: Convert to fraction form
    267,641.24/369,318.30 = 154,500.44/x
  3. Step 3: Cross multiply
    267,641.24x = 369,318.30 × 154,500.44
  4. Step 4: Simplify right side
    267,641.24x = 57,059,839,850.05
  5. Step 5: Solve for x
    x = 57,059,839,850.05/267,641.24
  6. Step 6: Final answer
    x = 213,195.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.