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Finding the Fourth Proportional to 598,431.44, 896,791.80 and 439,412.24

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Solution

The fourth proportional to 598,431.44, 896,791.80 and 439,412.24 is: 658,490.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,431.44 : 896,791.80 = 439,412.24 : x
  2. Step 2: Convert to fraction form
    598,431.44/896,791.80 = 439,412.24/x
  3. Step 3: Cross multiply
    598,431.44x = 896,791.80 × 439,412.24
  4. Step 4: Simplify right side
    598,431.44x = 394,061,293,651.63
  5. Step 5: Solve for x
    x = 394,061,293,651.63/598,431.44
  6. Step 6: Final answer
    x = 658,490.29

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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.