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Finding the Fourth Proportional to 218,635.02, 327,444 and 211,058.52

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Solution

The fourth proportional to 218,635.02, 327,444 and 211,058.52 is: 316,096.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,635.02 : 327,444 = 211,058.52 : x
  2. Step 2: Convert to fraction form
    218,635.02/327,444 = 211,058.52/x
  3. Step 3: Cross multiply
    218,635.02x = 327,444 × 211,058.52
  4. Step 4: Simplify right side
    218,635.02x = 69,109,846,022.88
  5. Step 5: Solve for x
    x = 69,109,846,022.88/218,635.02
  6. Step 6: Final answer
    x = 316,096.87

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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.