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Finding the Fourth Proportional to 425,617.82, 587,354.37 and 234,627.02

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Solution

The fourth proportional to 425,617.82, 587,354.37 and 234,627.02 is: 323,786.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,617.82 : 587,354.37 = 234,627.02 : x
  2. Step 2: Convert to fraction form
    425,617.82/587,354.37 = 234,627.02/x
  3. Step 3: Cross multiply
    425,617.82x = 587,354.37 × 234,627.02
  4. Step 4: Simplify right side
    425,617.82x = 137,809,205,517.08
  5. Step 5: Solve for x
    x = 137,809,205,517.08/425,617.82
  6. Step 6: Final answer
    x = 323,786.27

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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.