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Finding the Fourth Proportional to 646,744.20, 970,553.70 and 362,434.20

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Solution

The fourth proportional to 646,744.20, 970,553.70 and 362,434.20 is: 543,896.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,744.20 : 970,553.70 = 362,434.20 : x
  2. Step 2: Convert to fraction form
    646,744.20/970,553.70 = 362,434.20/x
  3. Step 3: Cross multiply
    646,744.20x = 970,553.70 × 362,434.20
  4. Step 4: Simplify right side
    646,744.20x = 351,761,853,816.54
  5. Step 5: Solve for x
    x = 351,761,853,816.54/646,744.20
  6. Step 6: Final answer
    x = 543,896.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.