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Finding the Fourth Proportional to 486,793.34, 671,780.37 and 269,001.17

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Solution

The fourth proportional to 486,793.34, 671,780.37 and 269,001.17 is: 371,224.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,793.34 : 671,780.37 = 269,001.17 : x
  2. Step 2: Convert to fraction form
    486,793.34/671,780.37 = 269,001.17/x
  3. Step 3: Cross multiply
    486,793.34x = 671,780.37 × 269,001.17
  4. Step 4: Simplify right side
    486,793.34x = 180,709,705,513.03
  5. Step 5: Solve for x
    x = 180,709,705,513.03/486,793.34
  6. Step 6: Final answer
    x = 371,224.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.