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Finding the Fourth Proportional to 425,171.09, 586,736.06 and 234,184.48

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Solution

The fourth proportional to 425,171.09, 586,736.06 and 234,184.48 is: 323,174.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,171.09 : 586,736.06 = 234,184.48 : x
  2. Step 2: Convert to fraction form
    425,171.09/586,736.06 = 234,184.48/x
  3. Step 3: Cross multiply
    425,171.09x = 586,736.06 × 234,184.48
  4. Step 4: Simplify right side
    425,171.09x = 137,404,479,770.98
  5. Step 5: Solve for x
    x = 137,404,479,770.98/425,171.09
  6. Step 6: Final answer
    x = 323,174.56

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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.