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Finding the Fourth Proportional to 332,886.20, 499,037.70 and 199,819.40

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Solution

The fourth proportional to 332,886.20, 499,037.70 and 199,819.40 is: 299,554.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,886.20 : 499,037.70 = 199,819.40 : x
  2. Step 2: Convert to fraction form
    332,886.20/499,037.70 = 199,819.40/x
  3. Step 3: Cross multiply
    332,886.20x = 499,037.70 × 199,819.40
  4. Step 4: Simplify right side
    332,886.20x = 99,717,413,791.38
  5. Step 5: Solve for x
    x = 99,717,413,791.38/332,886.20
  6. Step 6: Final answer
    x = 299,554.06

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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.