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Finding the Fourth Proportional to 303,462.63, 418,748.61 and 167,487.84

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Solution

The fourth proportional to 303,462.63, 418,748.61 and 167,487.84 is: 231,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,462.63 : 418,748.61 = 167,487.84 : x
  2. Step 2: Convert to fraction form
    303,462.63/418,748.61 = 167,487.84/x
  3. Step 3: Cross multiply
    303,462.63x = 418,748.61 × 167,487.84
  4. Step 4: Simplify right side
    303,462.63x = 70,135,300,191.90
  5. Step 5: Solve for x
    x = 70,135,300,191.90/303,462.63
  6. Step 6: Final answer
    x = 231,116.76

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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.