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Finding the Fourth Proportional to 425,170.21, 586,734.86 and 234,183.59

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Solution

The fourth proportional to 425,170.21, 586,734.86 and 234,183.59 is: 323,173.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,170.21 : 586,734.86 = 234,183.59 : x
  2. Step 2: Convert to fraction form
    425,170.21/586,734.86 = 234,183.59/x
  3. Step 3: Cross multiply
    425,170.21x = 586,734.86 × 234,183.59
  4. Step 4: Simplify right side
    425,170.21x = 137,403,675,892.95
  5. Step 5: Solve for x
    x = 137,403,675,892.95/425,170.21
  6. Step 6: Final answer
    x = 323,173.34

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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.