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Finding the Fourth Proportional to 299,993.05, 413,996.87 and 179,111.79

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Solution

The fourth proportional to 299,993.05, 413,996.87 and 179,111.79 is: 247,178.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,993.05 : 413,996.87 = 179,111.79 : x
  2. Step 2: Convert to fraction form
    299,993.05/413,996.87 = 179,111.79/x
  3. Step 3: Cross multiply
    299,993.05x = 413,996.87 × 179,111.79
  4. Step 4: Simplify right side
    299,993.05x = 74,151,720,887.88
  5. Step 5: Solve for x
    x = 74,151,720,887.88/299,993.05
  6. Step 6: Final answer
    x = 247,178.13

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1.5x scale

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.