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Finding the Fourth Proportional to 427,595.67, 590,144.61 and 246,272.31

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Solution

The fourth proportional to 427,595.67, 590,144.61 and 246,272.31 is: 339,891.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,595.67 : 590,144.61 = 246,272.31 : x
  2. Step 2: Convert to fraction form
    427,595.67/590,144.61 = 246,272.31/x
  3. Step 3: Cross multiply
    427,595.67x = 590,144.61 × 246,272.31
  4. Step 4: Simplify right side
    427,595.67x = 145,336,276,338.75
  5. Step 5: Solve for x
    x = 145,336,276,338.75/427,595.67
  6. Step 6: Final answer
    x = 339,891.83

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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.