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Finding the Fourth Proportional to 337,372.67, 465,272.75 and 279,921.05

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Solution

The fourth proportional to 337,372.67, 465,272.75 and 279,921.05 is: 386,040.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,372.67 : 465,272.75 = 279,921.05 : x
  2. Step 2: Convert to fraction form
    337,372.67/465,272.75 = 279,921.05/x
  3. Step 3: Cross multiply
    337,372.67x = 465,272.75 × 279,921.05
  4. Step 4: Simplify right side
    337,372.67x = 130,239,636,834.60
  5. Step 5: Solve for x
    x = 130,239,636,834.60/337,372.67
  6. Step 6: Final answer
    x = 386,040.86

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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.