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Finding the Fourth Proportional to 436,778.56, 655,328.04 and 184,122.64

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Solution

The fourth proportional to 436,778.56, 655,328.04 and 184,122.64 is: 276,251.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,778.56 : 655,328.04 = 184,122.64 : x
  2. Step 2: Convert to fraction form
    436,778.56/655,328.04 = 184,122.64/x
  3. Step 3: Cross multiply
    436,778.56x = 655,328.04 × 184,122.64
  4. Step 4: Simplify right side
    436,778.56x = 120,660,728,790.83
  5. Step 5: Solve for x
    x = 120,660,728,790.83/436,778.56
  6. Step 6: Final answer
    x = 276,251.49

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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.