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Finding the Fourth Proportional to 367,745.60, 552,448.82 and 218,084.07

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Solution

The fourth proportional to 367,745.60, 552,448.82 and 218,084.07 is: 327,618.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,745.60 : 552,448.82 = 218,084.07 : x
  2. Step 2: Convert to fraction form
    367,745.60/552,448.82 = 218,084.07/x
  3. Step 3: Cross multiply
    367,745.60x = 552,448.82 × 218,084.07
  4. Step 4: Simplify right side
    367,745.60x = 120,480,288,195.43
  5. Step 5: Solve for x
    x = 120,480,288,195.43/367,745.60
  6. Step 6: Final answer
    x = 327,618.57

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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.