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Finding the Fourth Proportional to 276,309.68, 414,447.60 and 162,520.42

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Solution

The fourth proportional to 276,309.68, 414,447.60 and 162,520.42 is: 243,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,309.68 : 414,447.60 = 162,520.42 : x
  2. Step 2: Convert to fraction form
    276,309.68/414,447.60 = 162,520.42/x
  3. Step 3: Cross multiply
    276,309.68x = 414,447.60 × 162,520.42
  4. Step 4: Simplify right side
    276,309.68x = 67,356,198,019.99
  5. Step 5: Solve for x
    x = 67,356,198,019.99/276,309.68
  6. Step 6: Final answer
    x = 243,770.68

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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.