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Finding the Fourth Proportional to 303,533.69, 418,865.48 and 167,564.70

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Solution

The fourth proportional to 303,533.69, 418,865.48 and 167,564.70 is: 231,233.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,533.69 : 418,865.48 = 167,564.70 : x
  2. Step 2: Convert to fraction form
    303,533.69/418,865.48 = 167,564.70/x
  3. Step 3: Cross multiply
    303,533.69x = 418,865.48 × 167,564.70
  4. Step 4: Simplify right side
    303,533.69x = 70,187,067,658.73
  5. Step 5: Solve for x
    x = 70,187,067,658.73/303,533.69
  6. Step 6: Final answer
    x = 231,233.21

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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.