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Finding the Fourth Proportional to 558,092.67, 770,162.45 and 303,443.85

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Solution

The fourth proportional to 558,092.67, 770,162.45 and 303,443.85 is: 418,749.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,092.67 : 770,162.45 = 303,443.85 : x
  2. Step 2: Convert to fraction form
    558,092.67/770,162.45 = 303,443.85/x
  3. Step 3: Cross multiply
    558,092.67x = 770,162.45 × 303,443.85
  4. Step 4: Simplify right side
    558,092.67x = 233,701,058,953.43
  5. Step 5: Solve for x
    x = 233,701,058,953.43/558,092.67
  6. Step 6: Final answer
    x = 418,749.56

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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.