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Finding the Fourth Proportional to 614,523.50, 848,042.43 and 331,899.50

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Solution

The fourth proportional to 614,523.50, 848,042.43 and 331,899.50 is: 458,021.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,523.50 : 848,042.43 = 331,899.50 : x
  2. Step 2: Convert to fraction form
    614,523.50/848,042.43 = 331,899.50/x
  3. Step 3: Cross multiply
    614,523.50x = 848,042.43 × 331,899.50
  4. Step 4: Simplify right side
    614,523.50x = 281,464,858,495.79
  5. Step 5: Solve for x
    x = 281,464,858,495.79/614,523.50
  6. Step 6: Final answer
    x = 458,021.31

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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.