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Finding the Fourth Proportional to 363,808.23, 502,022.79 and 202,659.83

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Solution

The fourth proportional to 363,808.23, 502,022.79 and 202,659.83 is: 279,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,808.23 : 502,022.79 = 202,659.83 : x
  2. Step 2: Convert to fraction form
    363,808.23/502,022.79 = 202,659.83/x
  3. Step 3: Cross multiply
    363,808.23x = 502,022.79 × 202,659.83
  4. Step 4: Simplify right side
    363,808.23x = 101,739,850,767.41
  5. Step 5: Solve for x
    x = 101,739,850,767.41/363,808.23
  6. Step 6: Final answer
    x = 279,652.42

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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.