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Finding the Fourth Proportional to 580,445.96, 800,988.50 and 322,339.29

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Solution

The fourth proportional to 580,445.96, 800,988.50 and 322,339.29 is: 444,813.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,445.96 : 800,988.50 = 322,339.29 : x
  2. Step 2: Convert to fraction form
    580,445.96/800,988.50 = 322,339.29/x
  3. Step 3: Cross multiply
    580,445.96x = 800,988.50 × 322,339.29
  4. Step 4: Simplify right side
    580,445.96x = 258,190,062,776.47
  5. Step 5: Solve for x
    x = 258,190,062,776.47/580,445.96
  6. Step 6: Final answer
    x = 444,813.27

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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.