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Finding the Fourth Proportional to 254,293.49, 381,512.43 and 207,352.58

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Solution

The fourth proportional to 254,293.49, 381,512.43 and 207,352.58 is: 311,087.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,293.49 : 381,512.43 = 207,352.58 : x
  2. Step 2: Convert to fraction form
    254,293.49/381,512.43 = 207,352.58/x
  3. Step 3: Cross multiply
    254,293.49x = 381,512.43 × 207,352.58
  4. Step 4: Simplify right side
    254,293.49x = 79,107,584,755.01
  5. Step 5: Solve for x
    x = 79,107,584,755.01/254,293.49
  6. Step 6: Final answer
    x = 311,087.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.