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Finding the Fourth Proportional to 580,337.48, 800,890.73 and 322,214.43

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Solution

The fourth proportional to 580,337.48, 800,890.73 and 322,214.43 is: 444,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,337.48 : 800,890.73 = 322,214.43 : x
  2. Step 2: Convert to fraction form
    580,337.48/800,890.73 = 322,214.43/x
  3. Step 3: Cross multiply
    580,337.48x = 800,890.73 × 322,214.43
  4. Step 4: Simplify right side
    580,337.48x = 258,058,548,448.16
  5. Step 5: Solve for x
    x = 258,058,548,448.16/580,337.48
  6. Step 6: Final answer
    x = 444,669.80

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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.