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Finding the Fourth Proportional to 303,460.52, 418,777.02 and 167,494.73

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Solution

The fourth proportional to 303,460.52, 418,777.02 and 167,494.73 is: 231,143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,460.52 : 418,777.02 = 167,494.73 : x
  2. Step 2: Convert to fraction form
    303,460.52/418,777.02 = 167,494.73/x
  3. Step 3: Cross multiply
    303,460.52x = 418,777.02 × 167,494.73
  4. Step 4: Simplify right side
    303,460.52x = 70,142,943,895.10
  5. Step 5: Solve for x
    x = 70,142,943,895.10/303,460.52
  6. Step 6: Final answer
    x = 231,143.56

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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.