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Finding the Fourth Proportional to 436,833.26, 603,015.90 and 293,676.34

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Solution

The fourth proportional to 436,833.26, 603,015.90 and 293,676.34 is: 405,398.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,833.26 : 603,015.90 = 293,676.34 : x
  2. Step 2: Convert to fraction form
    436,833.26/603,015.90 = 293,676.34/x
  3. Step 3: Cross multiply
    436,833.26x = 603,015.90 × 293,676.34
  4. Step 4: Simplify right side
    436,833.26x = 177,091,502,473.81
  5. Step 5: Solve for x
    x = 177,091,502,473.81/436,833.26
  6. Step 6: Final answer
    x = 405,398.39

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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.