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Finding the Fourth Proportional to 303,483.92, 418,807.83 and 167,517.90

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Solution

The fourth proportional to 303,483.92, 418,807.83 and 167,517.90 is: 231,174.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,483.92 : 418,807.83 = 167,517.90 : x
  2. Step 2: Convert to fraction form
    303,483.92/418,807.83 = 167,517.90/x
  3. Step 3: Cross multiply
    303,483.92x = 418,807.83 × 167,517.90
  4. Step 4: Simplify right side
    303,483.92x = 70,157,810,383.88
  5. Step 5: Solve for x
    x = 70,157,810,383.88/303,483.92
  6. Step 6: Final answer
    x = 231,174.72

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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.