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Finding the Fourth Proportional to 416,462.70, 624,615.22 and 203,016.20

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Solution

The fourth proportional to 416,462.70, 624,615.22 and 203,016.20 is: 304,485.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,462.70 : 624,615.22 = 203,016.20 : x
  2. Step 2: Convert to fraction form
    416,462.70/624,615.22 = 203,016.20/x
  3. Step 3: Cross multiply
    416,462.70x = 624,615.22 × 203,016.20
  4. Step 4: Simplify right side
    416,462.70x = 126,807,008,426.56
  5. Step 5: Solve for x
    x = 126,807,008,426.56/416,462.70
  6. Step 6: Final answer
    x = 304,485.87

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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.