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Finding the Fourth Proportional to 436,873.32, 655,564.77 and 184,138.38

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Solution

The fourth proportional to 436,873.32, 655,564.77 and 184,138.38 is: 276,314.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,873.32 : 655,564.77 = 184,138.38 : x
  2. Step 2: Convert to fraction form
    436,873.32/655,564.77 = 184,138.38/x
  3. Step 3: Cross multiply
    436,873.32x = 655,564.77 × 184,138.38
  4. Step 4: Simplify right side
    436,873.32x = 120,714,634,732.87
  5. Step 5: Solve for x
    x = 120,714,634,732.87/436,873.32
  6. Step 6: Final answer
    x = 276,314.96

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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.