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Finding the Fourth Proportional to 331,172.82, 496,794.60 and 141,652.80

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Solution

The fourth proportional to 331,172.82, 496,794.60 and 141,652.80 is: 212,494.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,172.82 : 496,794.60 = 141,652.80 : x
  2. Step 2: Convert to fraction form
    331,172.82/496,794.60 = 141,652.80/x
  3. Step 3: Cross multiply
    331,172.82x = 496,794.60 × 141,652.80
  4. Step 4: Simplify right side
    331,172.82x = 70,372,346,114.88
  5. Step 5: Solve for x
    x = 70,372,346,114.88/331,172.82
  6. Step 6: Final answer
    x = 212,494.33

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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.