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Finding the Fourth Proportional to 303,439,258.88, 418,747,453.92 and 164,210,027.48

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Solution

The fourth proportional to 303,439,258.88, 418,747,453.92 and 164,210,027.48 is: 226,610,528.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,439,258.88 : 418,747,453.92 = 164,210,027.48 : x
  2. Step 2: Convert to fraction form
    303,439,258.88/418,747,453.92 = 164,210,027.48/x
  3. Step 3: Cross multiply
    303,439,258.88x = 418,747,453.92 × 164,210,027.48
  4. Step 4: Simplify right side
    303,439,258.88x = 68,762,530,915,383,232
  5. Step 5: Solve for x
    x = 68,762,530,915,383,232/303,439,258.88
  6. Step 6: Final answer
    x = 226,610,528.81

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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.