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Finding the Fourth Proportional to 425,359.62, 587,022.48 and 234,372.96

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Solution

The fourth proportional to 425,359.62, 587,022.48 and 234,372.96 is: 323,449.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,359.62 : 587,022.48 = 234,372.96 : x
  2. Step 2: Convert to fraction form
    425,359.62/587,022.48 = 234,372.96/x
  3. Step 3: Cross multiply
    425,359.62x = 587,022.48 × 234,372.96
  4. Step 4: Simplify right side
    425,359.62x = 137,582,196,224.14
  5. Step 5: Solve for x
    x = 137,582,196,224.14/425,359.62
  6. Step 6: Final answer
    x = 323,449.12

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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.