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Finding the Fourth Proportional to 337,398.28, 465,308.02 and 279,946.60

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Solution

The fourth proportional to 337,398.28, 465,308.02 and 279,946.60 is: 386,076.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,398.28 : 465,308.02 = 279,946.60 : x
  2. Step 2: Convert to fraction form
    337,398.28/465,308.02 = 279,946.60/x
  3. Step 3: Cross multiply
    337,398.28x = 465,308.02 × 279,946.60
  4. Step 4: Simplify right side
    337,398.28x = 130,261,398,151.73
  5. Step 5: Solve for x
    x = 130,261,398,151.73/337,398.28
  6. Step 6: Final answer
    x = 386,076.06

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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.