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Finding the Fourth Proportional to 412,532.52, 618,799.32 and 113,015.73

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Solution

The fourth proportional to 412,532.52, 618,799.32 and 113,015.73 is: 169,523.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,532.52 : 618,799.32 = 113,015.73 : x
  2. Step 2: Convert to fraction form
    412,532.52/618,799.32 = 113,015.73/x
  3. Step 3: Cross multiply
    412,532.52x = 618,799.32 × 113,015.73
  4. Step 4: Simplify right side
    412,532.52x = 69,934,056,873.30
  5. Step 5: Solve for x
    x = 69,934,056,873.30/412,532.52
  6. Step 6: Final answer
    x = 169,523.74

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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.