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Finding the Fourth Proportional to 363,817.88, 502,083.80 and 202,672.88

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Solution

The fourth proportional to 363,817.88, 502,083.80 and 202,672.88 is: 279,697.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,817.88 : 502,083.80 = 202,672.88 : x
  2. Step 2: Convert to fraction form
    363,817.88/502,083.80 = 202,672.88/x
  3. Step 3: Cross multiply
    363,817.88x = 502,083.80 × 202,672.88
  4. Step 4: Simplify right side
    363,817.88x = 101,758,769,747.34
  5. Step 5: Solve for x
    x = 101,758,769,747.34/363,817.88
  6. Step 6: Final answer
    x = 279,697.00

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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.