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Finding the Fourth Proportional to 363,608.47, 501,778.43 and 202,465.45

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Solution

The fourth proportional to 363,608.47, 501,778.43 and 202,465.45 is: 279,401.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,608.47 : 501,778.43 = 202,465.45 : x
  2. Step 2: Convert to fraction form
    363,608.47/501,778.43 = 202,465.45/x
  3. Step 3: Cross multiply
    363,608.47x = 501,778.43 × 202,465.45
  4. Step 4: Simplify right side
    363,608.47x = 101,592,794,617.92
  5. Step 5: Solve for x
    x = 101,592,794,617.92/363,608.47
  6. Step 6: Final answer
    x = 279,401.62

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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.