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Finding the Fourth Proportional to 397,015.56, 548,167.50 and 244,259.28

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Solution

The fourth proportional to 397,015.56, 548,167.50 and 244,259.28 is: 337,253.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,015.56 : 548,167.50 = 244,259.28 : x
  2. Step 2: Convert to fraction form
    397,015.56/548,167.50 = 244,259.28/x
  3. Step 3: Cross multiply
    397,015.56x = 548,167.50 × 244,259.28
  4. Step 4: Simplify right side
    397,015.56x = 133,894,998,869.40
  5. Step 5: Solve for x
    x = 133,894,998,869.40/397,015.56
  6. Step 6: Final answer
    x = 337,253.78

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1.5x scale

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.