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Finding the Fourth Proportional to 363,922.40, 502,217.65 and 208,898.73

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Solution

The fourth proportional to 363,922.40, 502,217.65 and 208,898.73 is: 288,282.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,922.40 : 502,217.65 = 208,898.73 : x
  2. Step 2: Convert to fraction form
    363,922.40/502,217.65 = 208,898.73/x
  3. Step 3: Cross multiply
    363,922.40x = 502,217.65 × 208,898.73
  4. Step 4: Simplify right side
    363,922.40x = 104,912,629,529.71
  5. Step 5: Solve for x
    x = 104,912,629,529.71/363,922.40
  6. Step 6: Final answer
    x = 288,282.97

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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.