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Finding the Fourth Proportional to 331,687, 497,608.26 and 110,071

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Solution

The fourth proportional to 331,687, 497,608.26 and 110,071 is: 165,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,687 : 497,608.26 = 110,071 : x
  2. Step 2: Convert to fraction form
    331,687/497,608.26 = 110,071/x
  3. Step 3: Cross multiply
    331,687x = 497,608.26 × 110,071
  4. Step 4: Simplify right side
    331,687x = 54,772,238,786.46
  5. Step 5: Solve for x
    x = 54,772,238,786.46/331,687
  6. Step 6: Final answer
    x = 165,132.30

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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.