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Finding the Fourth Proportional to 303,459.70, 418,942.19 and 182,630.69

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Solution

The fourth proportional to 303,459.70, 418,942.19 and 182,630.69 is: 252,131.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,459.70 : 418,942.19 = 182,630.69 : x
  2. Step 2: Convert to fraction form
    303,459.70/418,942.19 = 182,630.69/x
  3. Step 3: Cross multiply
    303,459.70x = 418,942.19 × 182,630.69
  4. Step 4: Simplify right side
    303,459.70x = 76,511,701,229.81
  5. Step 5: Solve for x
    x = 76,511,701,229.81/303,459.70
  6. Step 6: Final answer
    x = 252,131.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.