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Finding the Fourth Proportional to 363,932.33, 502,219.83 and 202,783.94

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Solution

The fourth proportional to 363,932.33, 502,219.83 and 202,783.94 is: 279,838.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,932.33 : 502,219.83 = 202,783.94 : x
  2. Step 2: Convert to fraction form
    363,932.33/502,219.83 = 202,783.94/x
  3. Step 3: Cross multiply
    363,932.33x = 502,219.83 × 202,783.94
  4. Step 4: Simplify right side
    363,932.33x = 101,842,115,873.53
  5. Step 5: Solve for x
    x = 101,842,115,873.53/363,932.33
  6. Step 6: Final answer
    x = 279,838.06

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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.