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Finding the Fourth Proportional to 412,793.70, 618,607.35 and 254,552.10

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Solution

The fourth proportional to 412,793.70, 618,607.35 and 254,552.10 is: 381,468.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,793.70 : 618,607.35 = 254,552.10 : x
  2. Step 2: Convert to fraction form
    412,793.70/618,607.35 = 254,552.10/x
  3. Step 3: Cross multiply
    412,793.70x = 618,607.35 × 254,552.10
  4. Step 4: Simplify right side
    412,793.70x = 157,467,800,017.94
  5. Step 5: Solve for x
    x = 157,467,800,017.94/412,793.70
  6. Step 6: Final answer
    x = 381,468.52

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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.