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Finding the Fourth Proportional to 613,227.60, 919,887.24 and 163,938.12

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Solution

The fourth proportional to 613,227.60, 919,887.24 and 163,938.12 is: 245,919.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,227.60 : 919,887.24 = 163,938.12 : x
  2. Step 2: Convert to fraction form
    613,227.60/919,887.24 = 163,938.12/x
  3. Step 3: Cross multiply
    613,227.60x = 919,887.24 × 163,938.12
  4. Step 4: Simplify right side
    613,227.60x = 150,804,584,737.59
  5. Step 5: Solve for x
    x = 150,804,584,737.59/613,227.60
  6. Step 6: Final answer
    x = 245,919.43

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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.