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Finding the Fourth Proportional to 373,940.29, 516,074.97 and 223,037.29

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Solution

The fourth proportional to 373,940.29, 516,074.97 and 223,037.29 is: 307,813.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,940.29 : 516,074.97 = 223,037.29 : x
  2. Step 2: Convert to fraction form
    373,940.29/516,074.97 = 223,037.29/x
  3. Step 3: Cross multiply
    373,940.29x = 516,074.97 × 223,037.29
  4. Step 4: Simplify right side
    373,940.29x = 115,103,962,745.63
  5. Step 5: Solve for x
    x = 115,103,962,745.63/373,940.29
  6. Step 6: Final answer
    x = 307,813.75

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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.