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Finding the Fourth Proportional to 363,786.93, 502,025.04 and 202,640.27

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Solution

The fourth proportional to 363,786.93, 502,025.04 and 202,640.27 is: 279,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,786.93 : 502,025.04 = 202,640.27 : x
  2. Step 2: Convert to fraction form
    363,786.93/502,025.04 = 202,640.27/x
  3. Step 3: Cross multiply
    363,786.93x = 502,025.04 × 202,640.27
  4. Step 4: Simplify right side
    363,786.93x = 101,730,487,142.24
  5. Step 5: Solve for x
    x = 101,730,487,142.24/363,786.93
  6. Step 6: Final answer
    x = 279,643.05

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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.