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Finding the Fourth Proportional to 337,394.28, 465,302.50 and 279,942.60

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Solution

The fourth proportional to 337,394.28, 465,302.50 and 279,942.60 is: 386,070.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,394.28 : 465,302.50 = 279,942.60 : x
  2. Step 2: Convert to fraction form
    337,394.28/465,302.50 = 279,942.60/x
  3. Step 3: Cross multiply
    337,394.28x = 465,302.50 × 279,942.60
  4. Step 4: Simplify right side
    337,394.28x = 130,257,991,636.50
  5. Step 5: Solve for x
    x = 130,257,991,636.50/337,394.28
  6. Step 6: Final answer
    x = 386,070.54

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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.