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Finding the Fourth Proportional to 331,759.26, 497,208.65 and 189,385.56

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Solution

The fourth proportional to 331,759.26, 497,208.65 and 189,385.56 is: 283,832.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,759.26 : 497,208.65 = 189,385.56 : x
  2. Step 2: Convert to fraction form
    331,759.26/497,208.65 = 189,385.56/x
  3. Step 3: Cross multiply
    331,759.26x = 497,208.65 × 189,385.56
  4. Step 4: Simplify right side
    331,759.26x = 94,164,137,670.17
  5. Step 5: Solve for x
    x = 94,164,137,670.17/331,759.26
  6. Step 6: Final answer
    x = 283,832.73

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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.