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Finding the Fourth Proportional to 303,213.82, 418,427.74 and 167,244.84

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Solution

The fourth proportional to 303,213.82, 418,427.74 and 167,244.84 is: 230,793.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,213.82 : 418,427.74 = 167,244.84 : x
  2. Step 2: Convert to fraction form
    303,213.82/418,427.74 = 167,244.84/x
  3. Step 3: Cross multiply
    303,213.82x = 418,427.74 × 167,244.84
  4. Step 4: Simplify right side
    303,213.82x = 69,979,880,427.86
  5. Step 5: Solve for x
    x = 69,979,880,427.86/303,213.82
  6. Step 6: Final answer
    x = 230,793.84

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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.