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Finding the Fourth Proportional to 281,236.77, 421,363.17 and 234,154.44

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Solution

The fourth proportional to 281,236.77, 421,363.17 and 234,154.44 is: 350,822.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,236.77 : 421,363.17 = 234,154.44 : x
  2. Step 2: Convert to fraction form
    281,236.77/421,363.17 = 234,154.44/x
  3. Step 3: Cross multiply
    281,236.77x = 421,363.17 × 234,154.44
  4. Step 4: Simplify right side
    281,236.77x = 98,664,057,107.97
  5. Step 5: Solve for x
    x = 98,664,057,107.97/281,236.77
  6. Step 6: Final answer
    x = 350,822.04

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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.