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Finding the Fourth Proportional to 230,859.72, 346,844.43 and 218,114.37

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Solution

The fourth proportional to 230,859.72, 346,844.43 and 218,114.37 is: 327,695.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,859.72 : 346,844.43 = 218,114.37 : x
  2. Step 2: Convert to fraction form
    230,859.72/346,844.43 = 218,114.37/x
  3. Step 3: Cross multiply
    230,859.72x = 346,844.43 × 218,114.37
  4. Step 4: Simplify right side
    230,859.72x = 75,651,754,337.46
  5. Step 5: Solve for x
    x = 75,651,754,337.46/230,859.72
  6. Step 6: Final answer
    x = 327,695.77

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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.