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Finding the Fourth Proportional to 363,826.80, 502,089.84 and 202,684.50

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Solution

The fourth proportional to 363,826.80, 502,089.84 and 202,684.50 is: 279,709.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,826.80 : 502,089.84 = 202,684.50 : x
  2. Step 2: Convert to fraction form
    363,826.80/502,089.84 = 202,684.50/x
  3. Step 3: Cross multiply
    363,826.80x = 502,089.84 × 202,684.50
  4. Step 4: Simplify right side
    363,826.80x = 101,765,828,175.48
  5. Step 5: Solve for x
    x = 101,765,828,175.48/363,826.80
  6. Step 6: Final answer
    x = 279,709.54

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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.