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Finding the Fourth Proportional to 322,644.96, 483,819.36 and 189,587.76

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Solution

The fourth proportional to 322,644.96, 483,819.36 and 189,587.76 is: 284,294.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,644.96 : 483,819.36 = 189,587.76 : x
  2. Step 2: Convert to fraction form
    322,644.96/483,819.36 = 189,587.76/x
  3. Step 3: Cross multiply
    322,644.96x = 483,819.36 × 189,587.76
  4. Step 4: Simplify right side
    322,644.96x = 91,726,228,707.03
  5. Step 5: Solve for x
    x = 91,726,228,707.03/322,644.96
  6. Step 6: Final answer
    x = 284,294.63

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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.