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Finding the Fourth Proportional to 477,936.52, 716,906.60 and 193,632.39

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Solution

The fourth proportional to 477,936.52, 716,906.60 and 193,632.39 is: 290,449.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,936.52 : 716,906.60 = 193,632.39 : x
  2. Step 2: Convert to fraction form
    477,936.52/716,906.60 = 193,632.39/x
  3. Step 3: Cross multiply
    477,936.52x = 716,906.60 × 193,632.39
  4. Step 4: Simplify right side
    477,936.52x = 138,816,338,122.73
  5. Step 5: Solve for x
    x = 138,816,338,122.73/477,936.52
  6. Step 6: Final answer
    x = 290,449.32

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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.