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Finding the Fourth Proportional to 588,858.39, 881,441.60 and 405,418.97

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Solution

The fourth proportional to 588,858.39, 881,441.60 and 405,418.97 is: 606,857.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,858.39 : 881,441.60 = 405,418.97 : x
  2. Step 2: Convert to fraction form
    588,858.39/881,441.60 = 405,418.97/x
  3. Step 3: Cross multiply
    588,858.39x = 881,441.60 × 405,418.97
  4. Step 4: Simplify right side
    588,858.39x = 357,353,145,763.66
  5. Step 5: Solve for x
    x = 357,353,145,763.66/588,858.39
  6. Step 6: Final answer
    x = 606,857.53

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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.