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Finding the Fourth Proportional to 394,232.28, 543,850.29 and 258,206.37

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Solution

The fourth proportional to 394,232.28, 543,850.29 and 258,206.37 is: 356,200.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,232.28 : 543,850.29 = 258,206.37 : x
  2. Step 2: Convert to fraction form
    394,232.28/543,850.29 = 258,206.37/x
  3. Step 3: Cross multiply
    394,232.28x = 543,850.29 × 258,206.37
  4. Step 4: Simplify right side
    394,232.28x = 140,425,609,204.35
  5. Step 5: Solve for x
    x = 140,425,609,204.35/394,232.28
  6. Step 6: Final answer
    x = 356,200.18

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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.