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Finding the Fourth Proportional to 240,324.45, 360,511.11 and 82,532.40

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Solution

The fourth proportional to 240,324.45, 360,511.11 and 82,532.40 is: 123,806.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,324.45 : 360,511.11 = 82,532.40 : x
  2. Step 2: Convert to fraction form
    240,324.45/360,511.11 = 82,532.40/x
  3. Step 3: Cross multiply
    240,324.45x = 360,511.11 × 82,532.40
  4. Step 4: Simplify right side
    240,324.45x = 29,753,847,134.96
  5. Step 5: Solve for x
    x = 29,753,847,134.96/240,324.45
  6. Step 6: Final answer
    x = 123,806.99

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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.