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Finding the Fourth Proportional to 425,542.74, 587,241.97 and 234,573.90

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Solution

The fourth proportional to 425,542.74, 587,241.97 and 234,573.90 is: 323,708.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,542.74 : 587,241.97 = 234,573.90 : x
  2. Step 2: Convert to fraction form
    425,542.74/587,241.97 = 234,573.90/x
  3. Step 3: Cross multiply
    425,542.74x = 587,241.97 × 234,573.90
  4. Step 4: Simplify right side
    425,542.74x = 137,751,639,146.58
  5. Step 5: Solve for x
    x = 137,751,639,146.58/425,542.74
  6. Step 6: Final answer
    x = 323,708.12

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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.