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Finding the Fourth Proportional to 366,551.15, 505,819.73 and 213,614.24

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Solution

The fourth proportional to 366,551.15, 505,819.73 and 213,614.24 is: 294,775.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,551.15 : 505,819.73 = 213,614.24 : x
  2. Step 2: Convert to fraction form
    366,551.15/505,819.73 = 213,614.24/x
  3. Step 3: Cross multiply
    366,551.15x = 505,819.73 × 213,614.24
  4. Step 4: Simplify right side
    366,551.15x = 108,050,295,126.54
  5. Step 5: Solve for x
    x = 108,050,295,126.54/366,551.15
  6. Step 6: Final answer
    x = 294,775.49

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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.