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Finding the Fourth Proportional to 488,906.26, 732,935.34 and 189,180.54

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Solution

The fourth proportional to 488,906.26, 732,935.34 and 189,180.54 is: 283,606.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,906.26 : 732,935.34 = 189,180.54 : x
  2. Step 2: Convert to fraction form
    488,906.26/732,935.34 = 189,180.54/x
  3. Step 3: Cross multiply
    488,906.26x = 732,935.34 × 189,180.54
  4. Step 4: Simplify right side
    488,906.26x = 138,657,103,406.28
  5. Step 5: Solve for x
    x = 138,657,103,406.28/488,906.26
  6. Step 6: Final answer
    x = 283,606.73

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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.