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Finding the Fourth Proportional to 362,111.10, 543,231.45 and 151,770.30

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Solution

The fourth proportional to 362,111.10, 543,231.45 and 151,770.30 is: 227,682.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,111.10 : 543,231.45 = 151,770.30 : x
  2. Step 2: Convert to fraction form
    362,111.10/543,231.45 = 151,770.30/x
  3. Step 3: Cross multiply
    362,111.10x = 543,231.45 × 151,770.30
  4. Step 4: Simplify right side
    362,111.10x = 82,446,400,135.94
  5. Step 5: Solve for x
    x = 82,446,400,135.94/362,111.10
  6. Step 6: Final answer
    x = 227,682.61

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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.