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Finding the Fourth Proportional to 363,768.57, 502,015.86 and 202,623.39

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Solution

The fourth proportional to 363,768.57, 502,015.86 and 202,623.39 is: 279,628.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,768.57 : 502,015.86 = 202,623.39 : x
  2. Step 2: Convert to fraction form
    363,768.57/502,015.86 = 202,623.39/x
  3. Step 3: Cross multiply
    363,768.57x = 502,015.86 × 202,623.39
  4. Step 4: Simplify right side
    363,768.57x = 101,720,155,386.97
  5. Step 5: Solve for x
    x = 101,720,155,386.97/363,768.57
  6. Step 6: Final answer
    x = 279,628.76

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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.