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Finding the Fourth Proportional to 425,696.11, 587,464.61 and 234,716.29

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Solution

The fourth proportional to 425,696.11, 587,464.61 and 234,716.29 is: 323,910.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,696.11 : 587,464.61 = 234,716.29 : x
  2. Step 2: Convert to fraction form
    425,696.11/587,464.61 = 234,716.29/x
  3. Step 3: Cross multiply
    425,696.11x = 587,464.61 × 234,716.29
  4. Step 4: Simplify right side
    425,696.11x = 137,887,511,123.25
  5. Step 5: Solve for x
    x = 137,887,511,123.25/425,696.11
  6. Step 6: Final answer
    x = 323,910.67

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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.