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Finding the Fourth Proportional to 229,738.87, 344,562.87 and 218,346.28

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Solution

The fourth proportional to 229,738.87, 344,562.87 and 218,346.28 is: 327,476.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,738.87 : 344,562.87 = 218,346.28 : x
  2. Step 2: Convert to fraction form
    229,738.87/344,562.87 = 218,346.28/x
  3. Step 3: Cross multiply
    229,738.87x = 344,562.87 × 218,346.28
  4. Step 4: Simplify right side
    229,738.87x = 75,234,020,890.62
  5. Step 5: Solve for x
    x = 75,234,020,890.62/229,738.87
  6. Step 6: Final answer
    x = 327,476.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.