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Finding the Fourth Proportional to 234,871.32, 324,362.70 and 219,824.76

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Solution

The fourth proportional to 234,871.32, 324,362.70 and 219,824.76 is: 303,583.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,871.32 : 324,362.70 = 219,824.76 : x
  2. Step 2: Convert to fraction form
    234,871.32/324,362.70 = 219,824.76/x
  3. Step 3: Cross multiply
    234,871.32x = 324,362.70 × 219,824.76
  4. Step 4: Simplify right side
    234,871.32x = 71,302,952,680.45
  5. Step 5: Solve for x
    x = 71,302,952,680.45/234,871.32
  6. Step 6: Final answer
    x = 303,583.05

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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.