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Finding the Fourth Proportional to 362,212.13, 543,143.23 and 151,793.57

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Solution

The fourth proportional to 362,212.13, 543,143.23 and 151,793.57 is: 227,617.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,212.13 : 543,143.23 = 151,793.57 : x
  2. Step 2: Convert to fraction form
    362,212.13/543,143.23 = 151,793.57/x
  3. Step 3: Cross multiply
    362,212.13x = 543,143.23 × 151,793.57
  4. Step 4: Simplify right side
    362,212.13x = 82,445,649,903.03
  5. Step 5: Solve for x
    x = 82,445,649,903.03/362,212.13
  6. Step 6: Final answer
    x = 227,617.03

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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.