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Finding the Fourth Proportional to 363,951.36, 502,296.48 and 213,048

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Solution

The fourth proportional to 363,951.36, 502,296.48 and 213,048 is: 294,031.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,951.36 : 502,296.48 = 213,048 : x
  2. Step 2: Convert to fraction form
    363,951.36/502,296.48 = 213,048/x
  3. Step 3: Cross multiply
    363,951.36x = 502,296.48 × 213,048
  4. Step 4: Simplify right side
    363,951.36x = 107,013,260,471.04
  5. Step 5: Solve for x
    x = 107,013,260,471.04/363,951.36
  6. Step 6: Final answer
    x = 294,031.76

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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.