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Finding the Fourth Proportional to 303,474.53, 418,794.89 and 167,508.50

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Solution

The fourth proportional to 303,474.53, 418,794.89 and 167,508.50 is: 231,161.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,474.53 : 418,794.89 = 167,508.50 : x
  2. Step 2: Convert to fraction form
    303,474.53/418,794.89 = 167,508.50/x
  3. Step 3: Cross multiply
    303,474.53x = 418,794.89 × 167,508.50
  4. Step 4: Simplify right side
    303,474.53x = 70,151,700,900.05
  5. Step 5: Solve for x
    x = 70,151,700,900.05/303,474.53
  6. Step 6: Final answer
    x = 231,161.74

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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.