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Finding the Fourth Proportional to 544,951.49, 752,305.47 and 422,170.67

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Solution

The fourth proportional to 544,951.49, 752,305.47 and 422,170.67 is: 582,806.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,951.49 : 752,305.47 = 422,170.67 : x
  2. Step 2: Convert to fraction form
    544,951.49/752,305.47 = 422,170.67/x
  3. Step 3: Cross multiply
    544,951.49x = 752,305.47 × 422,170.67
  4. Step 4: Simplify right side
    544,951.49x = 317,601,300,553.04
  5. Step 5: Solve for x
    x = 317,601,300,553.04/544,951.49
  6. Step 6: Final answer
    x = 582,806.56

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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.