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Finding the Fourth Proportional to 362,431.80, 543,906.90 and 152,220.60

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Solution

The fourth proportional to 362,431.80, 543,906.90 and 152,220.60 is: 228,439.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,431.80 : 543,906.90 = 152,220.60 : x
  2. Step 2: Convert to fraction form
    362,431.80/543,906.90 = 152,220.60/x
  3. Step 3: Cross multiply
    362,431.80x = 543,906.90 × 152,220.60
  4. Step 4: Simplify right side
    362,431.80x = 82,793,834,662.14
  5. Step 5: Solve for x
    x = 82,793,834,662.14/362,431.80
  6. Step 6: Final answer
    x = 228,439.76

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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.