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Finding the Fourth Proportional to 331,586.84, 457,575.54 and 188,346.44

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Solution

The fourth proportional to 331,586.84, 457,575.54 and 188,346.44 is: 259,909.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,586.84 : 457,575.54 = 188,346.44 : x
  2. Step 2: Convert to fraction form
    331,586.84/457,575.54 = 188,346.44/x
  3. Step 3: Cross multiply
    331,586.84x = 457,575.54 × 188,346.44
  4. Step 4: Simplify right side
    331,586.84x = 86,182,723,990.08
  5. Step 5: Solve for x
    x = 86,182,723,990.08/331,586.84
  6. Step 6: Final answer
    x = 259,909.97

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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.