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Finding the Fourth Proportional to 332,196.20, 497,747.10 and 191,709.80

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Solution

The fourth proportional to 332,196.20, 497,747.10 and 191,709.80 is: 287,248.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,196.20 : 497,747.10 = 191,709.80 : x
  2. Step 2: Convert to fraction form
    332,196.20/497,747.10 = 191,709.80/x
  3. Step 3: Cross multiply
    332,196.20x = 497,747.10 × 191,709.80
  4. Step 4: Simplify right side
    332,196.20x = 95,422,996,991.58
  5. Step 5: Solve for x
    x = 95,422,996,991.58/332,196.20
  6. Step 6: Final answer
    x = 287,248.91

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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.