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Finding the Fourth Proportional to 436,913.46, 655,624.92 and 184,178.46

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Solution

The fourth proportional to 436,913.46, 655,624.92 and 184,178.46 is: 276,375.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,913.46 : 655,624.92 = 184,178.46 : x
  2. Step 2: Convert to fraction form
    436,913.46/655,624.92 = 184,178.46/x
  3. Step 3: Cross multiply
    436,913.46x = 655,624.92 × 184,178.46
  4. Step 4: Simplify right side
    436,913.46x = 120,751,988,103.22
  5. Step 5: Solve for x
    x = 120,751,988,103.22/436,913.46
  6. Step 6: Final answer
    x = 276,375.07

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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.