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Finding the Fourth Proportional to 408,956.40, 613,586.88 and 184,249.44

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Solution

The fourth proportional to 408,956.40, 613,586.88 and 184,249.44 is: 276,442.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,956.40 : 613,586.88 = 184,249.44 : x
  2. Step 2: Convert to fraction form
    408,956.40/613,586.88 = 184,249.44/x
  3. Step 3: Cross multiply
    408,956.40x = 613,586.88 × 184,249.44
  4. Step 4: Simplify right side
    408,956.40x = 113,053,039,031.35
  5. Step 5: Solve for x
    x = 113,053,039,031.35/408,956.40
  6. Step 6: Final answer
    x = 276,442.77

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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.