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Finding the Fourth Proportional to 404,703.13, 558,508.39 and 232,676.90

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Solution

The fourth proportional to 404,703.13, 558,508.39 and 232,676.90 is: 321,104.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,703.13 : 558,508.39 = 232,676.90 : x
  2. Step 2: Convert to fraction form
    404,703.13/558,508.39 = 232,676.90/x
  3. Step 3: Cross multiply
    404,703.13x = 558,508.39 × 232,676.90
  4. Step 4: Simplify right side
    404,703.13x = 129,951,997,434.96
  5. Step 5: Solve for x
    x = 129,951,997,434.96/404,703.13
  6. Step 6: Final answer
    x = 321,104.51

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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.