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Finding the Fourth Proportional to 613,227.26, 919,770.80 and 163,983.15

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Solution

The fourth proportional to 613,227.26, 919,770.80 and 163,983.15 is: 245,955.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,227.26 : 919,770.80 = 163,983.15 : x
  2. Step 2: Convert to fraction form
    613,227.26/919,770.80 = 163,983.15/x
  3. Step 3: Cross multiply
    613,227.26x = 919,770.80 × 163,983.15
  4. Step 4: Simplify right side
    613,227.26x = 150,826,913,062.02
  5. Step 5: Solve for x
    x = 150,826,913,062.02/613,227.26
  6. Step 6: Final answer
    x = 245,955.98

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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.