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Finding the Fourth Proportional to 303,593, 418,958.58 and 169,457

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Solution

The fourth proportional to 303,593, 418,958.58 and 169,457 is: 233,850.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,593 : 418,958.58 = 169,457 : x
  2. Step 2: Convert to fraction form
    303,593/418,958.58 = 169,457/x
  3. Step 3: Cross multiply
    303,593x = 418,958.58 × 169,457
  4. Step 4: Simplify right side
    303,593x = 70,995,464,091.06
  5. Step 5: Solve for x
    x = 70,995,464,091.06/303,593
  6. Step 6: Final answer
    x = 233,850.79

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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.