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Finding the Fourth Proportional to 613,107.01, 919,699.40 and 192,399.49

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Solution

The fourth proportional to 613,107.01, 919,699.40 and 192,399.49 is: 288,611.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,107.01 : 919,699.40 = 192,399.49 : x
  2. Step 2: Convert to fraction form
    613,107.01/919,699.40 = 192,399.49/x
  3. Step 3: Cross multiply
    613,107.01x = 919,699.40 × 192,399.49
  4. Step 4: Simplify right side
    613,107.01x = 176,949,695,513.31
  5. Step 5: Solve for x
    x = 176,949,695,513.31/613,107.01
  6. Step 6: Final answer
    x = 288,611.44

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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.