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Finding the Fourth Proportional to 276,308.68, 414,446.10 and 162,519.42

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Solution

The fourth proportional to 276,308.68, 414,446.10 and 162,519.42 is: 243,769.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,308.68 : 414,446.10 = 162,519.42 : x
  2. Step 2: Convert to fraction form
    276,308.68/414,446.10 = 162,519.42/x
  3. Step 3: Cross multiply
    276,308.68x = 414,446.10 × 162,519.42
  4. Step 4: Simplify right side
    276,308.68x = 67,355,539,793.26
  5. Step 5: Solve for x
    x = 67,355,539,793.26/276,308.68
  6. Step 6: Final answer
    x = 243,769.18

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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.