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Finding the Fourth Proportional to 363,806.73, 502,020.72 and 202,658.32

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Solution

The fourth proportional to 363,806.73, 502,020.72 and 202,658.32 is: 279,650.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,806.73 : 502,020.72 = 202,658.32 : x
  2. Step 2: Convert to fraction form
    363,806.73/502,020.72 = 202,658.32/x
  3. Step 3: Cross multiply
    363,806.73x = 502,020.72 × 202,658.32
  4. Step 4: Simplify right side
    363,806.73x = 101,738,676,347.92
  5. Step 5: Solve for x
    x = 101,738,676,347.92/363,806.73
  6. Step 6: Final answer
    x = 279,650.34

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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.