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Finding the Fourth Proportional to 298,593.53, 447,887.51 and 121,058.33

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Solution

The fourth proportional to 298,593.53, 447,887.51 and 121,058.33 is: 181,586.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,593.53 : 447,887.51 = 121,058.33 : x
  2. Step 2: Convert to fraction form
    298,593.53/447,887.51 = 121,058.33/x
  3. Step 3: Cross multiply
    298,593.53x = 447,887.51 × 121,058.33
  4. Step 4: Simplify right side
    298,593.53x = 54,220,511,143.73
  5. Step 5: Solve for x
    x = 54,220,511,143.73/298,593.53
  6. Step 6: Final answer
    x = 181,586.36

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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.