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Finding the Fourth Proportional to 363,013.76, 500,964.90 and 199,676.72

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Solution

The fourth proportional to 363,013.76, 500,964.90 and 199,676.72 is: 275,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,013.76 : 500,964.90 = 199,676.72 : x
  2. Step 2: Convert to fraction form
    363,013.76/500,964.90 = 199,676.72/x
  3. Step 3: Cross multiply
    363,013.76x = 500,964.90 × 199,676.72
  4. Step 4: Simplify right side
    363,013.76x = 100,031,028,067.13
  5. Step 5: Solve for x
    x = 100,031,028,067.13/363,013.76
  6. Step 6: Final answer
    x = 275,557.13

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1.5x scale

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.